Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air...

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Ambient Air Sampling Program Second Quarter 2017 Report City of Greater Sudbury, Ontario Submitted to: Vale Canada Limited Ontario Operations Copper Cliff, Ontario Submitted by: Amec Foster Wheeler Environment & Infrastructure 131 Fielding Road Lively, Ontario, P3Y 1L7 705-682-2632 9 August 2017 Amec Foster Wheeler Project number: TY156006

Transcript of Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air...

Page 1: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Ambient Air Sampling Program

Second Quarter 2017 Report

City of Greater Sudbury, Ontario

Submitted to:

Vale Canada Limited

Ontario Operations

Copper Cliff, Ontario

Submitted by:

Amec Foster Wheeler Environment & Infrastructure

131 Fielding Road

Lively, Ontario, P3Y 1L7

705-682-2632

9 August 2017

Amec Foster Wheeler Project number: TY156006

Page 2: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Amec Foster Wheeler Environment & Infrastructure 131 Fielding Road Lively, Ontario, CANADA P3Y 1L7 Phone 705.682.2632 Fax 705.682.2260 www.amecfw.com

9 August 2017

Amec Foster Wheeler Project Number: TY156006

Vale Canada Limited

Ontario Operations

General Engineering Building

Copper Cliff, Ontario P0M 1N0

Re: Second Quarter 2017 Report

Particulate Monitoring

Power Street, Union Street, Venice Street, Norite Street, Copper Cliff Creek,

Delki Dozzi, Spruce Street, and Dynamic Earth Sampling Stations

Copper Cliff, Ontario

Amec Foster Wheeler Environment & Infrastructure is pleased to submit the second quarter

(Q2) 2017 report to Vale Canada Limited. The report presents Total Suspended Particulate,

Inhalable Particulate Matter (PM10) and metals concentration results obtained from particulate

samples collected at the Power Street, Union Street, Venice Street, Norite Street, Copper Cliff

Creek, Delki Dozzi, Spruce Street, and Dynamic Earth sampling stations.

Please contact Pamela Koski at your convenience, if you have any questions about the report.

Sincerely,

Amec Foster Wheeler Environment & Infrastructure,

a Division of Amec Foster Wheeler Americas Limited

Pamela Koski M.Sc. Linda Lattner M.Eng., P. Eng.

Environmental Scientist Senior Air Quality Engineer

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Amec Foster Wheeler Project No.: TY156006 Page ii

Table of Contents

Section Page

1.0 Sampling Program Overview ........................................................................................... 1

2.0 Sampling Results ............................................................................................................ 1

3.0 Flow calibration checks ................................................................................................... 4

4.0 Closure ............................................................................................................................ 5

LIST OF TABLES

Table 1: Summary of Data Recovery...................................................................................... 1

Table 2: Summary Statistics for TSP and PM10 Concentrations .............................................. 3

LIST OF APPENDICES

Appendix A Sampling Results

Appendix B Hivol Flow Calibration Certificate

Appendix C Ministry of the Environment and Climate Change Audit Reports

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006 Page 1

1.0 SAMPLING PROGRAM OVERVIEW

Vale Canada Limited’s (Vale) Total Suspended Particulate (TSP) Hi-Vol ambient air monitoring

stations operate on a 3-day sampling schedule. The stations include Dynamic Earth,

Norite Street, Venice Street, Copper Cliff Creek, Union Street, Spruce Street, Delki Dozzi and

Power Street. All filters are subsequently analyzed for metal content.

The PM10 Hi-Vol ambient air monitors are co-located at Dynamic Earth, Norite Street,

Venice Street, Copper Cliff Creek and Union Street stations. These monitors operate on a

6-day sampling schedule. Similarly, all filters are analyzed for metal content.

The metal list for both size fractions is comprised of arsenic, cadmium, chromium, cobalt,

copper, iron, lead, manganese, nickel, selenium, vanadium and zinc. The analysis also

includes sulphur.

Each sample consists of a 24-hour (midnight to midnight) period that operates concurrent to the

National Air Pollution Surveillance (NAPS) schedule.

2.0 SAMPLING RESULTS

The results of the samples at each of the eight (8) monitoring sites are presented in the

following section. Table 1 outlines the data recovery efficiencies of each site (all monitors

combined).

Table 1: Summary of Data Recovery

Station

Total

number of

samples

Total

number of

valid

samples

Percentage of

Valid

samples (%)

Power Street 31 27 87

Union Street 47 44 94

Venice Street 47 47 100

Norite Street 47 43 91

Copper Cliff Creek 47 44 94

Delki Dozzi 31 27 87

Spruce Street 31 29 94

Dynamic Earth 47 45 96

Total 328 306 93

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Amec Foster Wheeler Project No.: TY156006 Page 2

During this quarter, a total of 306 valid samples were collected from a possible total of

328 samples, and the overall sample recovery for the quarter was 93%. A total of 22 samples

were invalid:

Nine (9) samples were lost due to invalid flows, which fell outside the valid range;

o two (2) at Power Street,

o one (1) at Union Street,

o two (2) at Norite Street,

o two (2) at Copper Cliff Creek,

o one (1) at Spruce Street, and

o one (1) at Dynamic Earth.

Eight (8) samples were lost due to Equipment Failure;

o two (2) at Power Street,

o two (2) at Union Street,

o one (1) at Norite Street,

o one (1) at Copper Cliff Creek, and

o two (2) at Delki Dozzi.

One (1) sample was lost at Delki Dozzi due to motor failure.

Four (4) samples were lost due to operator error;

o one (1) at Norite Street,

o one (1) at Delki Dozzi,

o one (1) at Spruce Street, and

o one (1) at Dynamic Earth.

The invalid sample flow rates were due to issues with either the mass flow controllers and/or the

brushless motors during operation. The flow controllers were re-adjusted to the required flow

rate and the units were able to stabilize. A third party subcontractor, Minewise, was retained to

assess the flow rate issues. Their findings suggested that the flow rate issues are suspected to

stem from an electronic mismatch between the flow controllers and the motors. This mismatch

could usually be rectified with a gain adjustment on the motor. As noted in previous reports, the

mass flow controlled (MFC) motors were replaced at 4 of the sampling stations (Venice Street,

Copper Cliff Creek, Delki Dozzi and Spruce Street) with the more reliable volumetric flow

controlled (VFC) motors.

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Amec Foster Wheeler Project No.: TY156006 Page 3

In addition, as of the end of June 2017, the rest of the brushless MFC motors were replaced

with brushed MFC motors. This has improved the flow issues. The equipment failures observed

were due to the Mass Flow Controller/Elapsed Time Indicator combined units. These have since

been replaced with operational units. Likewise, the observed motor failure was due to

malfunctioning brushes in the brushed motor. However, brushes have been replaced in all

motors.

Measured TSP results were compared to their applicable Schedule 3 Standards under

O.Reg. 419/05 or Guidelines, as noted in MOECC document titled Air Contaminants

Benchmarks List: Standards, Guidelines and Screening Levels for Assessing Point of

Impingement Concentrations of Air Contaminants published January 2017. The PM10 size

fraction was compared to the interim ambient air quality criterion (AAQC). Table 2 outlines the

statistics for the collected samples from each site and particulate size fraction. A full summary

of the Q2 results (from all samples) is provided in Appendix A of the report.

Table 2: Summary Statistics for TSP and PM10 Concentrations

Station Geometric

Mean Arithmetic

Mean Maximum Criterion

(µg/m3)

% Data Recovery

Number of Values in

(µg/m3) (µg/m3) (µg/m3) (%) Exceedance

Power Street TSP 23 27 60 120 87 0

Union Street TSP 19 21 44 120 97 0

PM10 10 11 20 50 88 0

Venice Street TSP 17 21 43 120 100 0

PM10 9 10 22 50 100 0

Norite Street TSP 19 21 42 120 87 0

PM10 11 12 23 50 100 0

Copper Cliff Creek

TSP 19 22 42 120 97 0

PM10 10 11 21 50 88 0

Delki Dozzi TSP 16 21 49 120 87 0

Spruce Street

TSP 19 23 70 120 94 0

Dynamic Earth

TSP 24 30 65 120 100 0

PM10 20 21 30 50 88 0

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Amec Foster Wheeler Project No.: TY156006 Page 4

Please note that all iron (total) results have been conservatively expressed as ferric oxide, since

it is difficult to determine the amount of iron that has been oxidized. Iron is not present as

metallic iron but a small portion of the metallic iron is assumed to be oxidized. Therefore, the

iron results are conservatively compared to the Fe2O3 Schedule 3 standard for information

purposes only.

Furthermore, as of 1 July 2016 the 24 hour site specific standard and 24 hour Schedule 3

standard for Nickel (Ni) have changed. The new site specific standard for Ni is 1.0 µg/m3 and

the new Schedule 3 Standard is 0.04 µg/m3. Both standards are based on annual averaging

times instead of the 24 hour averaging times. Therefore, the collected quarterly 24 hour data is

conservatively being compared to the new annual standards for information purposes only. In

addition, the site specific standard only applies to the smelter related sampling stations. As

such, the quarterly data is being compared to the new annual site specific standard, 1.0 µg/m3,

at all sampling stations except for Power Street. The Power Street sampling station is meant to

monitor the Nickel Refinery. As a result, the data collected at Power Street is compared to the

new Schedule 3 standard for Ni of 0.04 µg/m3. The annual average for Ni at the Power Street

sampling station from 1 July, 2016 to 30 June, 2017 was 0.075 µg/m3. This is in exceedance of

the Schedule 3 standard for Ni (0.04 µg/m3).

In the second quarter, there were no exceedances of the Schedule 3 Standard, Section 20

Guidelines, and Schedule 6 Upper Risk Thresholds (URTs) listed in O.Reg.419/05. There were

also no exceedances of the interim 24-hour AAQC for PM10.

3.0 FLOW CALIBRATION CHECKS

Amec Foster Wheeler staff performed a flow calibration check on the air samplers on

25 May 2017, using a BGI direct reading hivol electronic flow calibrator. The calibrator was

received from the manufacturer certified to an overall accuracy of 0.60%. A copy of the

calibration certificate is provided in Appendix B. All samplers were found to operate within

acceptable tolerances at the time of the calibration. The Ontario Ministry of the Environment

and Climate Change (MOECC) performed a flow check audit on 31 May 2017. All samplers,

except for the Union Street TSP, Norite Street TSP and Delki Dozzi TSP samplers, were found

to operate within acceptable tolerances. Where appropriate, a correction was applied to the data

collected at the failed sites, between our flow calibration preformed on 25 May 2017 and the

MOECC audit. The MOECC audit reports are provided in Appendix C.

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Amec Foster Wheeler Project No.: TY156006 Page 5

4.0 CLOSURE

We trust that the information presented in this report meets your requirements. Should you

have any questions, or concerns, please do not hesitate to contact the undersigned.

Sincerely,

Amec Foster Wheeler Environment & Infrastructure,

a Division of Amec Foster Wheeler Americas Limited

Pamela Koski M.Sc. Linda Lattner M.Eng., P. Eng.

Environmental Scientist Senior Air Quality Engineer

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

APPENDIX A

SAMPLING RESULTS

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m 3 ) 120 0.3 0.025 0.5 0.1 50 25 0.5 0.4 0.04 10 - 2.0 120 -

April 1, 2017 20 0.002 0.001 0.005 0.002 0.049 0.851 0.002 0.008 0.058 0.003 0.450 0.002 0.022 1.350

April 4, 2017 10 0.002 0.003 0.004 0.003 0.185 0.648 0.008 0.003 0.096 0.003 0.730 0.001 0.018 2.190

April 7, 2017 60 0.002 0.001 0.007 0.006 0.159 3.117 0.006 0.021 0.168 0.003 0.550 0.002 0.043 1.650

April 10, 2017 19 0.002 0.001 0.004 0.003 0.060 0.576 0.005 0.005 0.052 0.003 0.700 0.002 0.015 2.100

April 13, 2017 11 0.001 0.000 0.002 0.002 0.019 0.589 0.001 0.004 0.021 0.001 0.180 0.001 0.007 0.540

April 16, 2017 Invalid Flow

April 19, 2017 24 0.002 0.001 0.004 0.004 0.054 0.787 0.003 0.007 0.055 0.003 0.460 0.002 0.020 1.380

April 22, 2017 19 0.002 0.001 0.003 0.003 0.052 0.654 0.001 0.005 0.103 0.003 0.390 0.001 0.029 1.170

April 25, 2017 45 0.002 0.001 0.004 0.004 0.051 1.502 0.006 0.013 0.049 0.003 0.420 0.001 0.023 1.260

April 28, 2017 11 0.005 0.001 0.002 0.001 0.020 0.343 0.002 0.003 0.032 0.003 0.360 0.002 0.009 1.080

May 1, 2017 6 0.002 0.001 0.004 0.001 0.018 0.236 0.008 0.003 0.017 0.003 0.350 0.002 0.011 1.050

May 4, 2017 55 0.006 0.001 0.006 0.009 0.111 2.088 0.008 0.018 0.147 0.003 0.600 0.002 0.032 1.800

May 7, 2017 17 0.002 0.001 0.004 0.001 0.030 0.599 0.001 0.004 0.038 0.003 0.380 0.002 0.009 1.140

May 10, 2017 35 0.002 0.001 0.008 0.005 0.069 2.388 0.005 0.017 0.088 0.003 0.480 0.002 0.026 1.440

May 13, 2017 31 0.006 0.001 0.004 0.003 0.038 0.872 0.004 0.007 0.066 0.003 0.510 0.002 0.014 1.530

May 16, 2017 Invalid Flow

May 19, 2017 27 0.002 0.001 0.006 0.004 0.066 1.147 0.004 0.010 0.086 0.003 0.430 0.002 0.021 1.290

May 22, 2017 4 0.002 0.001 0.004 0.001 0.006 0.089 0.001 0.002 0.006 0.003 0.155 0.002 0.007 0.465

May 25, 2017 18 0.006 0.002 0.007 0.007 0.133 1.095 0.017 0.005 0.176 0.003 1.400 0.002 0.022 4.200

May 28, 2017 27 0.005 0.001 0.015 0.015 0.299 1.052 0.006 0.009 0.152 0.003 0.750 0.002 0.014 2.250

May 31, 2017 15 0.002 0.001 0.014 0.001 0.034 0.508 0.002 0.005 0.022 0.003 0.155 0.002 0.018 0.465

June 3, 2017 40 0.002 0.001 0.013 0.006 0.148 1.702 0.005 0.009 0.142 0.003 0.430 0.001 0.028 1.290

June 6, 2017 52 0.002 0.001 0.006 0.008 0.226 2.617 0.007 0.012 0.164 0.003 0.500 0.002 0.038 1.500

June 9, 2017 39 0.002 0.001 0.006 0.003 0.059 1.247 0.005 0.008 0.071 0.003 0.165 0.002 0.022 0.495

June 12, 2017 38 0.002 0.001 0.004 0.002 0.027 0.729 0.004 0.009 0.027 0.003 0.780 0.002 0.023 2.340

June 15, 2017 30 0.002 0.001 0.005 0.003 0.032 0.975 0.003 0.007 0.029 0.003 0.370 0.002 0.016 1.110

June 18, 2017 25 0.002 0.001 0.002 0.001 0.008 0.154 0.001 0.002 0.007 0.003 0.160 0.002 0.006 0.480

June 21, 2017 25 0.002 0.001 0.002 0.001 0.014 0.455 0.001 0.004 0.010 0.003 0.160 0.002 0.009 0.480

June 24, 2017 29 0.002 0.001 0.002 0.001 0.171 0.372 0.001 0.005 0.042 0.003 0.160 0.002 0.011 0.480

June 27, 2017 Equipment Failure

June 30, 2017 Equipment Failure

Guideline - Point of Impingement Guideline as per O.Reg.419/05

Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual schedule 3 standard for Nickel is 0.04 µg/m3. Therefore, the arithmetic mean is being compared to the annual standard, 0.04 µg/m3.

A "-" in the Fe(Fe2O3) and SO4 indicates there was a ND for that sample and thus a value for Fe(Fe2O3) and SO4 can not be calculated.

Standard*

120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 0.04 n/a n/a 2 120 n/a

No. > Sch. 3 value*0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.1 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0.25 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 22.7 0.002 0.001 0.004 0.003 0.051 0.759 0.003 0.006 0.049 0.003 0.383 0.002 0.017 1.148

Arithmetic mean 27.1 0.003 0.001 0.005 0.004 0.079 1.015 0.004 0.008 0.071 0.003 0.451 0.002 0.019 1.353

Max. concentration 60.3 0.006 0.003 0.015 0.015 0.299 3.117 0.017 0.021 0.176 0.003 1.400 0.002 0.043 4.200

Min. concentration 3.8 0.001 0.000 0.002 0.001 0.006 0.089 0.001 0.002 0.006 0.001 0.155 0.001 0.006 0.465

No. of valid samples 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27

No. samples < mdl 0 22 25 5 5 0 - 7 0 0 27 7 27 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 0 81 93 19 19 0 - 26 0 0 100 26 100 0 -

% valid data 87 87 87 87 87 87 87 87 87 87 87 87 87 87 87

Power Street Monitoring Results for TSP and Metals

(results expressed in µg/m3)

Page 11: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.040 10 - 2.0 120 -

April 1, 2017 17 0.002 0.001 0.005 0.003 0.073 0.974 0.003 0.007 0.062 0.003 0.420 0.003 0.011 1.260

April 4, 2017 7 0.002 0.003 0.004 0.002 0.065 0.379 0.009 0.002 0.083 0.003 0.670 0.003 0.017 2.010

April 7, 2017 27 0.002 0.001 0.004 0.003 0.173 1.250 0.003 0.007 0.053 0.003 0.560 0.003 0.013 1.680

April 10, 2017 17 0.002 0.001 0.003 0.004 0.051 0.450 0.003 0.004 0.071 0.003 0.560 0.003 0.011 1.680

April 13, 2017 19 0.002 0.001 0.005 0.005 0.070 1.401 0.004 0.007 0.067 0.003 0.460 0.003 0.012 1.380

April 16, 2017 5 0.002 0.001 0.001 0.001 0.022 0.100 0.001 0.001 0.063 0.003 0.300 0.003 0.006 0.900

April 19, 2017 16 0.002 0.001 0.004 0.002 0.054 0.569 0.003 0.005 0.040 0.003 0.460 0.003 0.011 1.380

April 22, 2017 11 0.002 0.001 0.004 0.002 0.059 0.505 0.001 0.003 0.055 0.003 0.520 0.003 0.006 1.560

April 25, 2017 40 0.002 0.001 0.006 0.017 0.317 3.375 0.013 0.012 0.302 0.003 1.100 0.003 0.025 3.300

April 28, 2015 16 0.002 0.001 0.002 0.002 0.049 0.501 0.002 0.004 0.046 0.003 0.410 0.003 0.014 1.230

May 1, 2017 7 0.002 0.001 0.004 0.007 0.195 0.917 0.010 0.002 0.183 0.003 0.840 0.003 0.014 2.520

May 4, 2017 24 0.002 0.001 0.005 0.003 0.047 0.822 0.002 0.008 0.055 0.003 0.450 0.003 0.010 1.350

May 7, 2017 13 0.002 0.001 0.004 0.002 0.050 0.588 0.001 0.003 0.050 0.003 0.340 0.003 0.005 1.020

May 10, 2017 12 0.002 0.001 0.006 0.002 0.037 0.538 0.003 0.006 0.047 0.003 0.430 0.003 0.009 1.290

May 13, 2017 29 0.006 0.001 0.004 0.002 0.035 0.815 0.022 0.008 0.038 0.003 0.620 0.003 0.010 1.860

May 16, 2017 44 0.002 0.001 0.006 0.003 0.050 0.947 0.003 0.012 0.069 0.003 0.520 0.003 0.013 1.560

May 19, 2017 17 0.002 0.001 0.007 0.003 0.100 0.648 0.001 0.007 0.106 0.003 0.380 0.003 0.011 1.140

May 22, 2017 7 0.002 0.001 0.005 0.001 0.015 0.096 0.003 0.001 0.021 0.003 0.330 0.003 0.005 0.990

May 25, 2017 15 0.002 0.001 0.007 0.006 0.123 0.788 0.004 0.003 0.159 0.003 1.000 0.003 0.011 3.000

May 28, 2017 19 0.002 0.001 0.015 0.005 0.042 0.390 0.004 0.005 0.083 0.003 0.740 0.003 0.010 2.219

May 31, 2017 23 0.002 0.001 0.017 0.001 0.025 0.407 0.010 0.005 0.019 0.003 0.160 0.003 0.013 0.480

June 3, 2017 26 0.002 0.001 0.014 0.003 0.087 0.784 0.005 0.005 0.049 0.003 0.380 0.003 0.013 1.140

June 6, 2017 29 0.002 0.001 0.006 0.005 0.112 0.957 0.004 0.005 0.167 0.003 0.450 0.003 0.017 1.350

June 9, 2017 37 0.002 0.001 0.009 0.003 0.052 0.845 0.007 0.006 0.055 0.003 0.320 0.003 0.013 0.960

June 12, 2017 36 0.002 0.001 0.004 0.001 0.021 0.448 0.004 0.007 0.019 0.003 0.700 0.003 0.013 2.100

June 15, 2017 35 0.002 0.001 0.007 0.004 0.094 1.014 0.005 0.010 0.117 0.003 0.460 0.003 0.015 1.380

June 18, 2017 24 0.002 0.001 0.002 0.001 0.022 0.156 0.004 0.002 0.015 0.003 0.350 0.003 0.007 1.050

June 21, 2017 23 0.002 0.001 0.002 0.001 0.008 0.233 0.001 0.002 0.005 0.003 0.160 0.003 0.005 0.480

June 24, 2017 23 0.002 0.001 0.002 0.001 0.078 0.337 0.001 0.003 0.017 0.003 0.165 0.003 0.005 0.495

June 27, 2017 Equipment Failure

June 30, 2017 18 0.002 0.001 0.002 0.001 0.092 0.206 0.006 0.003 0.007 0.003 0.540 0.003 0.011 1.620

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0.250 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 18.5 0.002 0.001 0.004 0.002 0.056 0.548 0.003 0.004 0.050 0.003 0.446 0.003 0.010 1.338

Arithmetic mean 21.2 0.002 0.001 0.005 0.003 0.074 0.715 0.005 0.005 0.071 0.003 0.493 0.003 0.011 1.479

Max. concentration 43.6 0.006 0.003 0.017 0.017 0.317 3.375 0.022 0.012 0.302 0.003 1.100 0.003 0.025 3.300

Min. concentration 5.2 0.002 0.001 0.001 0.001 0.008 0.096 0.001 0.001 0.005 0.003 0.160 0.003 0.005 0.480

No. of valid samples 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30

No. samples < mdl 0 29 29 6 8 0 - 6 0 0 30 3 30 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 0 97 97 20 27 0 - 20 0 0 100 10 100 0 -

% valid data 97 97 97 97 97 97 97 97 97 97 97 97 97 97 97

Union Street Monitoring Results for TSP and Metals

(results expressed in µg/m3)

Page 12: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

PM10 As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

AAQC (µg/m3

) 50 - - 0.5 - - - - 0.25 - - - - - -

April 1, 2017 7 0.002 0.001 0.004 0.001 0.018 0.368 0.001 0.003 0.010 0.003 0.160 0.003 0.006 0.480

April 7, 2017 13 0.002 0.001 0.003 0.001 0.059 0.588 0.001 0.004 0.022 0.003 0.150 0.003 0.004 0.450

April 13, 2017 11 0.002 0.001 0.003 0.002 0.033 0.581 0.003 0.004 0.033 0.003 0.380 0.003 0.006 1.140

April 19, 2017 8 0.002 0.001 0.002 0.001 0.017 0.216 0.002 0.003 0.012 0.003 0.430 0.003 0.006 1.290

April 25, 2017 20 0.002 0.001 0.005 0.008 0.132 1.673 0.012 0.007 0.149 0.003 0.800 0.003 0.016 2.400

May 1, 2017 Invalid Flow

May 7, 2017 5 0.002 0.001 0.003 0.001 0.016 0.225 0.001 0.002 0.011 0.003 0.160 0.003 0.002 0.480

May 13, 2017 15 0.004 0.001 0.004 0.001 0.025 0.403 0.022 0.005 0.022 0.003 0.540 0.003 0.007 1.620

May 19, 2017 5 0.002 0.001 0.006 0.001 0.029 0.277 0.001 0.003 0.026 0.003 0.160 0.003 0.004 0.480

May 25, 2017 9 0.002 0.001 0.006 0.002 0.052 0.330 0.004 0.002 0.054 0.003 0.780 0.003 0.007 2.340

May 31, 2017 8 0.002 0.001 0.016 0.001 0.006 0.137 0.010 0.003 0.005 0.003 0.155 0.003 0.003 0.465

June 6, 2017 14 0.002 0.001 0.004 0.001 0.040 0.359 0.003 0.002 0.041 0.003 0.155 0.003 0.008 0.465

June 12, 2017 Equipment Failure

June 18, 2017 14 0.002 0.001 0.003 0.001 0.011 0.082 0.003 0.002 0.007 0.003 0.160 0.003 0.006 0.480

June 24, 2017 13 0.002 0.001 0.002 0.001 0.027 0.173 0.001 0.002 0.007 0.003 0.160 0.003 0.002 0.480

June 30, 2017 9 0.002 0.001 0.001 0.001 0.008 0.080 0.003 0.002 0.003 0.003 0.340 0.003 0.005 1.020

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

AAQC 50 - - 0.5 - - - - 0.25 - - - - - -

No. > AAQC 0 - - 0 - - - - 0 - - - - - -

Geometric mean 10.1 0.002 0.001 0.004 0.001 0.024 0.283 0.003 0.003 0.016 0.003 0.262 0.003 0.005 0.785

Arithmetic mean 10.9 0.002 0.001 0.004 0.001 0.034 0.392 0.005 0.003 0.029 0.003 0.324 0.003 0.006 0.971

Max. concentration 20.3 0.004 0.001 0.016 0.008 0.132 1.673 0.022 0.007 0.149 0.003 0.800 0.003 0.016 2.400

Min. concentration 5.2 0.002 0.001 0.001 0.001 0.006 0.080 0.001 0.002 0.003 0.003 0.150 0.003 0.002 0.450

No. of valid samples 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14

No. samples < mdl 0 13 14 4 9 0 - 5 0 0 14 8 14 2 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0060 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0030 0.0017 -

% < detection limit 0 93 100 29 64 0 - 36 0 0 100 57 100 14 -

% valid data 88 88 88 88 88 88 88 88 88 88 88 88 88 88 88

Notes:

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

Union Street Monitoring Results for PM10 and Metals

(results expressed in µg/m3)

Page 13: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.04 10 - 2.0 120 -

April 1, 2017 18 0.002 0.001 0.006 0.003 0.105 1.011 0.003 0.006 0.080 0.003 0.390 0.002 0.010 1.170

April 4, 2017 7 0.002 0.002 0.003 0.002 0.035 0.265 0.005 0.001 0.065 0.003 0.380 0.002 0.013 1.140

April 7, 2017 19 0.002 0.001 0.005 0.003 0.266 1.204 0.003 0.005 0.095 0.003 0.420 0.002 0.011 1.260

April 10, 2017 17 0.002 0.001 0.005 0.005 0.100 0.475 0.005 0.005 0.126 0.003 0.770 0.002 0.012 2.310

April 13, 2017 18 0.002 0.001 0.004 0.003 0.064 0.775 0.003 0.004 0.084 0.003 0.340 0.002 0.010 1.020

April 16, 2017 6 0.002 0.001 0.001 0.001 0.032 0.116 0.001 0.001 0.082 0.003 0.145 0.002 0.004 0.435

April 19, 2017 15 0.002 0.001 0.005 0.003 0.081 0.556 0.004 0.004 0.088 0.003 0.550 0.002 0.013 1.650

April 22, 2017 11 0.002 0.001 0.003 0.002 0.058 0.448 0.001 0.002 0.048 0.003 0.300 0.002 0.008 0.900

April 25, 2017 41 0.002 0.001 0.007 0.013 0.285 2.774 0.011 0.013 0.256 0.003 0.690 0.002 0.020 2.070

April 28, 2017 21 0.019 0.001 0.004 0.002 0.075 0.709 0.004 0.005 0.066 0.003 0.610 0.002 0.019 1.830

May 1, 2017 4 0.002 0.001 0.004 0.001 0.017 0.126 0.006 0.001 0.023 0.003 0.390 0.002 0.006 1.170

May 4, 2017 32 0.002 0.012 0.007 0.008 0.225 1.502 0.005 0.012 0.200 0.003 0.600 0.002 0.017 1.800

May 7, 2017 11 0.002 0.001 0.005 0.002 0.066 0.511 0.001 0.003 0.057 0.003 0.160 0.002 0.005 0.480

May 10, 2017 36 0.007 0.001 0.007 0.005 0.110 1.361 0.015 0.013 0.124 0.003 1.100 0.002 0.023 3.300

May 13, 2017 2 0.002 0.001 0.004 0.001 0.011 0.087 0.001 0.001 0.011 0.003 0.165 0.002 0.005 0.495

May 16, 2017 43 0.002 0.001 0.007 0.005 0.086 0.995 0.004 0.011 0.131 0.003 0.880 0.002 0.015 2.640

May 19, 2017 16 0.002 0.001 0.010 0.006 0.120 0.869 0.002 0.006 0.196 0.003 0.480 0.002 0.016 1.440

May 22, 2017 7 0.002 0.001 0.006 0.001 0.021 0.182 0.003 0.001 0.035 0.003 0.550 0.002 0.004 1.650

May 25, 2017 8 0.002 0.001 0.006 0.004 0.061 0.458 0.002 0.002 0.103 0.003 0.540 0.002 0.006 1.620

May 28, 2017 21 0.002 0.001 0.014 0.008 0.096 0.722 0.006 0.005 0.199 0.003 1.180 0.002 0.010 3.540

May 31, 2017 12 0.002 0.001 0.015 0.001 0.026 0.193 0.002 0.002 0.012 0.003 0.155 0.002 0.014 0.465

June 3, 2017 23 0.002 0.001 0.014 0.003 0.085 0.738 0.006 0.005 0.071 0.003 0.300 0.002 0.018 0.900

June 6, 2017 36 0.002 0.001 0.009 0.008 0.232 1.248 0.006 0.006 0.248 0.003 0.650 0.002 0.017 1.950

June 9, 2017 36 0.002 0.001 0.005 0.004 0.088 0.951 0.009 0.006 0.106 0.003 0.330 0.002 0.013 0.990

June 12, 2017 32 0.002 0.001 0.004 0.001 0.038 0.455 0.003 0.006 0.038 0.003 0.620 0.002 0.012 1.860

June 15, 2017 41 0.002 0.001 0.007 0.008 0.262 1.487 0.016 0.014 0.233 0.003 0.860 0.002 0.021 2.580

June 18, 2017 22 0.002 0.001 0.002 0.002 0.059 0.237 0.009 0.003 0.056 0.003 0.330 0.002 0.005 0.990

June 21, 2017 25 0.002 0.001 0.002 0.001 0.022 0.329 0.002 0.003 0.015 0.003 0.155 0.002 0.007 0.465

June 24, 2017 20 0.002 0.001 0.002 0.001 0.053 0.353 0.001 0.003 0.033 0.003 0.160 0.002 0.013 0.480

June 27, 2017 26 0.002 0.001 0.004 0.001 0.039 0.379 0.004 0.004 0.037 0.003 0.370 0.002 0.009 1.110

June 30, 2017 14 0.002 0.001 0.002 0.001 0.012 0.173 0.003 0.002 0.010 0.003 0.470 0.002 0.012 1.410

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 16.5 0.002 0.001 0.005 0.002 0.064 0.509 0.003 0.004 0.067 0.003 0.413 0.002 0.011 1.239

Arithmetic mean 20.6 0.003 0.001 0.006 0.004 0.091 0.700 0.005 0.005 0.094 0.003 0.485 0.002 0.012 1.455

Max. concentration 43.1 0.019 0.012 0.015 0.013 0.285 2.774 0.016 0.014 0.256 0.003 1.180 0.002 0.023 3.540

Min. concentration 1.7 0.002 0.001 0.001 0.001 0.011 0.087 0.001 0.001 0.010 0.003 0.145 0.002 0.004 0.435

No. of valid samples 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31

No. samples < mdl 1 29 29 5 7 0 - 5 0 0 31 6 31 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 3 94 94 16 23 0 - 16 0 0 100 19 100 0 -

% valid data 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

Venice Street Monitoring Results for TSP and Metals

(results expressed in µg/m3)

Page 14: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

PM10 As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

AAQC (µg/m3) 50 - - 0.5 - - - - 0.25 - - - - - -

April 1, 2017 10 0.002 0.001 0.003 0.002 0.051 0.267 0.382 0.001 0.003 0.038 0.003 0.350 0.002 0.006

April 7, 2017 12 0.002 0.001 0.004 0.002 0.106 0.467 0.668 0.001 0.003 0.043 0.003 0.155 0.002 0.008

April 13, 2017 10 0.002 0.001 0.003 0.002 0.045 0.376 0.538 0.003 0.003 0.053 0.003 0.350 0.002 0.007

April 19, 2017 8 0.002 0.001 0.003 0.004 0.067 0.279 0.399 0.004 0.004 0.095 0.003 0.550 0.002 0.009

April 25, 2017 22 0.002 0.001 0.006 0.009 0.207 1.380 1.973 0.010 0.010 0.186 0.003 0.730 0.002 0.017

May 1, 2017 2 0.002 0.001 0.003 0.001 0.012 0.063 0.090 0.006 0.001 0.016 0.003 0.155 0.002 0.006

May 7, 2017 7 0.002 0.001 0.005 0.001 0.040 0.259 0.370 0.001 0.002 0.031 0.003 0.160 0.002 0.006

May 13, 2017 11 0.002 0.001 0.005 0.001 0.029 0.262 0.375 0.006 0.004 0.033 0.003 0.500 0.002 0.008

May 19, 2017 5 0.002 0.001 0.007 0.002 0.036 0.199 0.285 0.001 0.002 0.049 0.003 0.155 0.002 0.005

May 25, 2017 7 0.002 0.001 0.005 0.002 0.042 0.230 0.329 0.003 0.002 0.061 0.003 0.580 0.002 0.007

May 31, 2017 5 0.002 0.001 0.015 0.001 0.017 0.110 0.157 0.002 0.002 0.012 0.003 0.145 0.001 0.016

June 6, 2017 14 0.002 0.001 0.005 0.003 0.066 0.375 0.536 0.003 0.003 0.095 0.003 0.360 0.002 0.010

June 12, 2017 16 0.002 0.001 0.004 0.001 0.020 0.173 0.247 0.002 0.004 0.022 0.003 0.630 0.002 0.009

June 18, 2017 10 0.002 0.001 0.002 0.002 0.042 0.102 0.146 0.009 0.004 0.046 0.003 0.410 0.002 0.005

June 24, 2017 11 0.002 0.001 0.003 0.001 0.028 0.150 0.215 0.001 0.002 0.017 0.003 0.155 0.002 0.004

June 30, 2017 11 0.002 0.001 0.002 0.001 0.006 0.066 0.094 0.003 0.002 0.004 0.003 0.400 0.002 0.007

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

AAQC 50 - - 0.5 - - - - 0.25 - - - - - -

No. > AAQC 0 - - 0 - - - - 0 - - - - - -

Geometric mean 8.9 0.002 0.001 0.004 0.001 0.037 0.218 0.311 0.002 0.003 0.035 0.003 0.310 0.002 0.007

Arithmetic mean 10.1 0.002 0.001 0.005 0.002 0.051 0.297 0.425 0.003 0.003 0.050 0.003 0.362 0.002 0.008

Max. concentration 22.2 0.002 0.001 0.015 0.009 0.207 1.380 1.973 0.010 0.010 0.186 0.003 0.730 0.002 0.017

Min. concentration 1.6 0.002 0.001 0.002 0.001 0.006 0.063 0.090 0.001 0.001 0.004 0.003 0.145 0.001 0.004

No. of valid samples 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16

No. samples < mdl 1 16 16 3 6 0 - 0 0 1 1 16 0 16 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0060 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0030 0.0017 -

% < detection limit 6 100 100 19 38 0 - 0 0 6 6 100 0 100 -

% valid data 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

Notes:

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

Venice Street Monitoring Results for PM10 and Metals

(results expressed in µg/m3)

Page 15: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.04 10 - 2.0 120 -

April 1, 2017 12 0.002 0.001 0.002 0.001 0.034 0.359 0.001 0.003 0.030 0.003 0.500 0.002 0.005 1.500

April 4, 2017 8 0.002 0.002 0.002 0.003 0.102 0.575 0.011 0.001 0.106 0.003 0.810 0.002 0.017 2.430

April 7, 2017 26 0.002 0.001 0.002 0.001 0.037 0.711 0.001 0.005 0.020 0.003 0.350 0.002 0.006 1.050

April 10, 2017 17 0.002 0.001 0.002 0.001 0.022 0.266 0.003 0.004 0.017 0.003 0.530 0.002 0.009 1.590

April 13, 2017 20 0.002 0.001 0.004 0.004 0.051 1.158 0.002 0.006 0.052 0.003 0.510 0.002 0.011 1.530

April 16, 2017 Invalid Flow

April 19, 2017 17 0.002 0.001 0.002 0.001 0.033 0.465 0.002 0.004 0.024 0.003 0.450 0.002 0.009 1.350

April 22, 2017 12 0.002 0.001 0.002 0.001 0.026 0.316 0.001 0.002 0.029 0.003 0.570 0.002 0.005 1.710

April 25, 2017 Operator Error

April 28, 2017 16 0.002 0.001 0.003 0.002 0.030 0.428 0.001 0.003 0.035 0.003 0.430 0.002 0.007 1.290

May 1, 2017 9 0.006 0.001 0.006 0.009 0.191 2.202 0.029 0.008 0.250 0.003 1.520 0.002 0.025 4.560

May 4, 2017 21 0.002 0.001 0.005 0.003 0.034 0.744 0.002 0.008 0.039 0.003 0.440 0.002 0.014 1.320

May 7, 2017 10 0.002 0.001 0.005 0.001 0.018 0.395 0.001 0.003 0.021 0.003 0.165 0.002 0.004 0.495

May 10, 2017 invalid Flow

May 13, 2017 31 0.006 0.001 0.005 0.002 0.028 0.701 0.003 0.008 0.036 0.003 0.540 0.002 0.012 1.620

May 16, 2017 42 0.002 0.001 0.005 0.002 0.027 0.711 0.002 0.012 0.035 0.003 0.500 0.002 0.015 1.500

May 19, 2017 13 0.002 0.001 0.006 0.002 0.060 0.548 0.002 0.008 0.071 0.003 0.160 0.002 0.006 0.480

May 22, 2017 5 0.002 0.001 0.005 0.001 0.006 0.070 0.001 0.001 0.005 0.003 0.165 0.002 0.005 0.495

May 25, 2017 19 0.002 0.001 0.006 0.010 0.164 1.313 0.009 0.004 0.252 0.003 1.480 0.002 0.012 4.440

May 28, 2017 34 0.002 0.001 0.019 0.005 0.034 0.479 0.004 0.007 0.031 0.003 0.867 0.002 0.013 2.601

May 31, 2017 33 0.002 0.001 0.022 0.001 0.023 0.423 0.001 0.006 0.016 0.003 0.165 0.002 0.013 0.495

June 3, 2017 23 0.002 0.001 0.014 0.002 0.047 0.553 0.004 0.004 0.033 0.003 0.165 0.002 0.010 0.495

June 6, 2017 25 0.002 0.001 0.005 0.003 0.067 0.585 0.006 0.004 0.080 0.003 0.350 0.002 0.011 1.050

June 9, 2017 32 0.002 0.001 0.005 0.002 0.033 0.674 0.005 0.005 0.037 0.003 0.165 0.002 0.009 0.495

June 12, 2017 32 0.002 0.001 0.004 0.001 0.013 0.375 0.001 0.006 0.015 0.003 0.590 0.002 0.012 1.770

June 15, 2017 30 0.002 0.001 0.005 0.002 0.024 0.631 0.001 0.007 0.027 0.003 0.165 0.002 0.008 0.495

June 18, 2017 22 0.002 0.001 0.002 0.001 0.007 0.129 0.001 0.002 0.005 0.003 0.165 0.002 0.006 0.495

June 21, 2017 27 0.002 0.001 0.002 0.001 0.560 0.290 0.001 0.003 0.006 0.003 0.155 0.002 0.007 0.465

June 24, 2017 24 0.002 0.001 0.001 0.001 0.360 0.346 0.001 0.004 0.013 0.003 0.145 0.001 0.012 0.435

June 27, 2017 Equipment Failure

June 30, 2017 20 0.002 0.001 0.002 0.001 0.560 0.154 0.001 0.003 0.005 0.003 0.450 0.002 0.011 1.350

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 19.2 0.002 0.001 0.004 0.001 0.045 0.463 0.002 0.004 0.028 0.003 0.361 0.002 0.009 1.082

Arithmetic mean 21.4 0.002 0.001 0.005 0.002 0.096 0.578 0.004 0.005 0.048 0.003 0.463 0.002 0.010 1.389

Max. concentration 41.5 0.006 0.002 0.022 0.010 0.560 2.202 0.029 0.012 0.252 0.003 1.520 0.002 0.025 4.560

Min. concentration 5.1 0.002 0.001 0.001 0.001 0.006 0.070 0.001 0.001 0.005 0.003 0.145 0.001 0.004 0.435

No. of valid samples 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27

No. samples < mdl 0 25 25 10 13 0 - 13 0 0 27 10 27 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 0 93 93 37 48 0 - 48 0 0 100 37 100 0 -

% valid data 87 87 87 87 87 87 87 87 87 87 87 87 87 87 87

Norite Street Monitoring Results for TSP and Metals

(results expressed in µg/m3)

Page 16: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

PM10 As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

AAQC (µg/m3) 50 - - 0.5 - - - - 0.25 - - - - - -

April 1, 2017 8 0.002 0.001 0.002 0.001 0.010 0.143 0.001 0.003 0.006 0.003 0.390 0.002 0.008 1.170

April 7, 2017 11 0.002 0.001 0.002 0.001 0.022 0.333 0.001 0.004 0.012 0.003 0.150 0.002 0.005 0.450

April 13, 2017 10 0.002 0.001 0.003 0.002 0.023 0.342 0.001 0.004 0.019 0.003 0.420 0.002 0.007 1.260

April 19, 2017 8 0.002 0.001 0.002 0.001 0.013 0.155 0.001 0.003 0.008 0.003 0.400 0.002 0.007 1.200

April 25, 2017 23 0.006 0.001 0.004 0.005 0.119 0.804 0.031 0.007 0.149 0.003 1.370 0.002 0.023 4.110

May 1, 2017 8 0.007 0.002 0.005 0.007 0.167 0.667 0.040 0.004 0.189 0.003 1.500 0.002 0.029 4.500

May 7, 2017 4 0.002 0.001 0.004 0.001 0.006 0.113 0.001 0.001 0.005 0.003 0.145 0.001 0.001 0.435

May 13, 2017 14 0.004 0.001 0.004 0.001 0.018 0.258 0.002 0.007 0.021 0.003 0.470 0.002 0.008 1.410

May 19, 2017 7 0.002 0.001 0.007 0.001 0.031 0.261 0.001 0.004 0.029 0.003 0.155 0.002 0.005 0.465

May 25, 2017 13 0.002 0.001 0.006 0.006 0.116 0.609 0.010 0.003 0.145 0.003 1.420 0.002 0.015 4.260

May 31, 2017 13 0.002 0.001 0.016 0.001 0.007 0.122 0.001 0.003 0.007 0.003 0.155 0.002 0.005 0.465

June 6, 2017 19 0.002 0.001 0.004 0.002 0.040 0.280 0.005 0.003 0.042 0.003 0.155 0.002 0.008 0.465

June 12, 2017 20 0.002 0.001 0.003 0.001 0.006 0.123 0.001 0.004 0.004 0.003 0.700 0.002 0.010 2.100

June 18, 2017 13 0.002 0.001 0.002 0.001 0.004 0.043 0.001 0.001 0.003 0.003 0.160 0.002 0.004 0.480

June 24, 2017 12 0.002 0.001 0.001 0.001 0.036 0.102 0.001 0.002 0.005 0.003 0.145 0.001 0.001 0.435

June 30, 2017 14 0.002 0.001 0.002 0.001 0.036 0.066 0.002 0.002 0.003 0.003 0.440 0.002 0.010 1.320

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

AAQC 50 - - 0.5 - - - - 0.25 - - - - - -

No. > AAQC 0 - - 0 - - - - 0 - - - - - -

Geometric mean 11.2 0.002 0.001 0.003 0.001 0.023 0.202 0.002 0.003 0.015 0.003 0.351 0.002 0.007 1.052

Arithmetic mean 12.2 0.003 0.001 0.004 0.002 0.041 0.276 0.006 0.004 0.040 0.003 0.511 0.002 0.009 1.533

Max. concentration 22.7 0.007 0.002 0.016 0.007 0.167 0.804 0.040 0.007 0.189 0.003 1.500 0.002 0.029 4.500

Min. concentration 3.7 0.002 0.001 0.001 0.001 0.004 0.043 0.001 0.001 0.003 0.003 0.145 0.001 0.001 0.435

No. of valid samples 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16

No. samples < mdl 0 13 14 7 10 0 - 10 0 0 16 7 16 2 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0030 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0015 0.0017 -

% < detection limit 0 81 88 44 63 0 - 63 0 0 100 44 100 13 -

% valid data 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

Notes:

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

Norite Street Monitoring Results for PM10 and Metals

(results expressed in µg/m3)

Page 17: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.04 10 - 2.0 120 -April 1, 2017 26 0.002 0.001 0.003 0.001 0.039 0.632 0.001 0.006 0.034 0.003 0.380 0.002 0.009 1.140

April 4, 2017 10 0.002 0.002 0.002 0.002 0.431 0.375 0.008 0.002 0.082 0.003 0.710 0.002 0.017 2.130

April 7, 2017 32 0.002 0.001 0.005 0.003 0.099 1.347 0.003 0.009 0.063 0.003 0.360 0.002 0.010 1.080

April 10, 2017 19 0.002 0.001 0.004 0.003 0.093 0.571 0.004 0.005 0.083 0.003 0.630 0.002 0.014 1.890

April 13, 2017 32 0.002 0.001 0.005 0.004 0.079 1.403 0.004 0.009 0.084 0.003 0.500 0.002 0.015 1.500

April 16, 2017 7 0.002 0.001 0.002 0.002 0.060 0.340 0.009 0.001 0.065 0.003 0.690 0.002 0.011 2.070

April 19, 2017 25 0.002 0.001 0.005 0.004 0.076 1.037 0.004 0.007 0.102 0.003 0.630 0.002 0.014 1.890

April 22, 2017 12 0.002 0.001 0.002 0.001 0.019 0.349 0.001 0.003 0.017 0.003 0.150 0.002 0.006 0.450

April 25, 2017 42 0.002 0.001 0.005 0.003 0.090 1.381 0.004 0.012 0.096 0.003 0.440 0.002 0.022 1.320

April 28, 2017 Equipment Failure

May 1, 2017 2 0.002 0.001 0.005 0.001 0.024 0.189 0.007 0.002 0.031 0.003 0.410 0.002 0.009 1.230

May 4, 2017 29 0.002 0.001 0.005 0.003 0.063 0.859 0.002 0.008 0.060 0.003 0.330 0.002 0.017 0.990

May 7, 2017 13 0.002 0.001 0.005 0.002 0.037 0.605 0.001 0.003 0.034 0.003 0.360 0.002 0.004 1.080

May 10, 2017 23 0.002 0.001 0.006 0.002 0.051 0.904 0.002 0.008 0.067 0.003 0.360 0.001 0.014 1.080

May 13, 2017 23 0.004 0.001 0.005 0.003 0.028 0.505 0.003 0.006 0.032 0.003 0.450 0.002 0.010 1.350

May 16, 2017 38 0.002 0.001 0.006 0.003 0.045 0.882 0.002 0.012 0.067 0.003 0.470 0.002 0.016 1.410

May 19, 2017 17 0.002 0.001 0.007 0.004 0.100 0.745 0.004 0.007 0.128 0.003 0.470 0.002 0.008 1.410

May 22, 2017 7 0.002 0.001 0.007 0.001 0.009 0.112 0.003 0.002 0.007 0.003 0.150 0.002 0.006 0.450

May 25, 2017 17 0.009 0.002 0.007 0.008 0.170 1.065 0.018 0.006 0.280 0.008 1.330 0.002 0.017 3.990

May 28, 2017 23 0.002 0.001 0.016 0.006 0.068 0.696 0.002 0.007 0.095 0.003 0.660 0.002 0.012 1.980

May 31, 2017 20 0.002 0.001 0.017 0.001 0.027 0.400 0.001 0.006 0.020 0.003 0.155 0.002 0.013 0.465

June 3, 2017 25 0.006 0.001 0.006 0.006 0.116 1.014 0.006 0.006 0.147 0.003 0.310 0.002 0.020 0.930

June 6, 2017 31 0.002 0.001 0.005 0.008 0.150 1.284 0.006 0.007 0.229 0.003 0.400 0.002 0.019 1.200

June 9, 2017 32 0.002 0.001 0.004 0.003 0.069 0.735 0.005 0.007 0.071 0.003 0.320 0.001 0.015 0.960

June 12, 2017 33 0.002 0.001 0.004 0.002 0.033 0.615 0.003 0.009 0.034 0.003 0.670 0.001 0.017 2.010

June 15, 2017 37 0.002 0.001 0.006 0.003 0.055 0.884 0.003 0.009 0.067 0.003 0.300 0.002 0.015 0.900

June 18, 2017 21 0.002 0.001 0.003 0.001 0.010 0.139 0.001 0.002 0.007 0.003 0.150 0.002 0.006 0.450

June 21, 2017 22 0.002 0.001 0.003 0.001 0.011 0.216 0.001 0.002 0.006 0.003 0.150 0.002 0.007 0.450

June 24, 2017 21 0.002 0.001 0.002 0.001 0.030 0.267 0.001 0.004 0.022 0.003 0.150 0.002 0.008 0.450

June 27, 2017 14 0.002 0.001 0.003 0.001 0.027 0.312 0.001 0.005 0.048 0.003 0.320 0.002 0.008 0.960

June 30, 2017 17 0.002 0.001 0.003 0.001 0.011 0.230 0.001 0.003 0.009 0.003 0.350 0.002 0.010 1.050

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 19.2 0.002 0.001 0.004 0.002 0.047 0.545 0.003 0.005 0.047 0.003 0.368 0.002 0.011 1.104

Arithmetic mean 22.3 0.002 0.001 0.005 0.003 0.071 0.670 0.004 0.006 0.070 0.003 0.425 0.002 0.012 1.276

Max. concentration 42.3 0.009 0.002 0.017 0.008 0.431 1.403 0.018 0.012 0.280 0.008 1.330 0.002 0.022 3.990

Min. concentration 1.5 0.002 0.001 0.002 0.001 0.009 0.112 0.001 0.001 0.006 0.003 0.150 0.001 0.004 0.450

No. of valid samples 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30

No. samples < mdl 1 27 28 6 8 0 - 9 0 0 29 6 30 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 3 90 93 20 27 0 - 30 0 0 97 20 100 0 -% valid data 97 97 97 97 97 97 97 97 97 97 97 97 97 97 97

Copper Cliff Creek Monitoring Results for TSP and Metals

(results expressed in µg/m3)

Page 18: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

PM10 As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

AAQC (µg/m3) 50 - - 0.5 - - - - 0.25 - - - - - -

April 1, 2017 13 0.002 0.001 0.002 0.001 0.019 0.232 0.002 0.004 0.015 0.003 0.450 0.002 0.008 1.350

April 7, 2017 15 0.002 0.001 0.004 0.002 0.063 0.548 0.002 0.006 0.037 0.003 0.310 0.002 0.009 0.930

April 13, 2017 10 0.002 0.001 0.003 0.001 0.031 0.359 0.002 0.004 0.029 0.003 0.370 0.002 0.008 1.110

April 19, 2017 12 0.002 0.001 0.003 0.001 0.033 0.279 0.003 0.003 0.036 0.003 0.630 0.002 0.008 1.890

April 25, 2017 Invalid Flow

May 1, 2017 2 0.002 0.001 0.005 0.001 0.016 0.082 0.008 0.001 0.018 0.003 0.430 0.002 0.008 1.290

May 7, 2017 5 0.002 0.001 0.004 0.001 0.011 0.155 0.001 0.002 0.010 0.003 0.145 0.002 0.001 0.435

May 13, 2017 11 0.002 0.001 0.005 0.002 0.019 0.230 0.003 0.004 0.023 0.003 0.480 0.002 0.007 1.440

May 19, 2017 7 0.002 0.001 0.006 0.002 0.048 0.293 0.003 0.004 0.065 0.003 0.500 0.002 0.005 1.500

May 25, 2017 11 0.007 0.001 0.005 0.003 0.072 0.265 0.014 0.003 0.084 0.003 1.050 0.002 0.011 3.150

May 31, 2017 13 0.002 0.001 0.014 0.001 0.014 0.159 0.001 0.003 0.011 0.003 0.145 0.002 0.006 0.435

June 6, 2017 Invalid Flow

June 12, 2017 21 0.002 0.001 0.003 0.001 0.011 0.173 0.001 0.005 0.010 0.003 0.620 0.002 0.011 1.860

June 18, 2017 12 0.002 0.001 0.003 0.001 0.006 0.053 0.001 0.001 0.003 0.003 0.300 0.002 0.005 0.900

June 24, 2017 11 0.002 0.001 0.002 0.001 0.012 0.078 0.001 0.002 0.006 0.003 0.150 0.002 0.003 0.450

June 30, 2017 12 0.002 0.001 0.003 0.001 0.007 0.085 0.001 0.002 0.004 0.003 0.380 0.002 0.009 1.140

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

AAQC 50 - - 0.5 - - - - 0.25 - - - - - -

No. > AAQC 0 - - 0 - - - - 0 - - - - - -

Geometric mean 9.7 0.002 0.001 0.004 0.001 0.020 0.176 0.002 0.003 0.017 0.003 0.366 0.002 0.006 1.099

Arithmetic mean 11.0 0.002 0.001 0.004 0.001 0.026 0.214 0.003 0.003 0.025 0.003 0.426 0.002 0.007 1.277

Max. concentration 20.5 0.007 0.001 0.014 0.003 0.072 0.548 0.014 0.006 0.084 0.003 1.050 0.002 0.011 3.150

Min. concentration 1.5 0.002 0.001 0.002 0.001 0.006 0.053 0.001 0.001 0.003 0.003 0.145 0.002 0.001 0.435

No. of valid samples 14 14 14 14 14 14 14 14 14 14 14 14 14 14 15

No. samples < mdl 1 13 13 6 8 0 - 6 0 0 14 3 14 2 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0030 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0015 0.0017 -

% < detection limit 7 93 93 43 57 0 - 43 0 0 100 21 100 14 -

% valid data 88 88 88 88 88 88 88 88 88 88 88 88 88 88 94

Notes:

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

Copper Cliff Creek Monitoring Results for PM10 and Metals

(results expressed in µg/m3)

Page 19: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.04 10 - 2.0 120 -

April 1, 2017 14 0.002 0.001 0.002 0.001 0.009 0.243 0.001 0.002 0.005 0.003 0.155 0.002 0.007 0.465

April 4, 2017 5 0.002 0.002 0.002 0.001 0.006 0.060 0.001 0.001 0.001 0.003 0.150 0.002 0.012 0.450

April 7, 2017 14 0.002 0.001 0.002 0.001 0.019 0.526 0.001 0.010 0.009 0.003 0.160 0.002 0.011 0.480

April 10, 2017 Operator Error

April 13, 2017 Equipment Failure

April 16, 2017 6 0.002 0.001 0.002 0.001 0.009 0.084 0.001 0.001 0.005 0.003 0.155 0.002 0.006 0.465

April 19, 2017 4 0.002 0.001 0.002 0.001 0.002 0.060 0.001 0.001 0.001 0.003 0.150 0.002 0.003 0.450

April 22, 2017 9 0.002 0.001 0.002 0.001 0.012 0.192 0.008 0.002 0.005 0.003 0.330 0.002 0.007 0.990

April 25, 2017 33 0.002 0.001 0.002 0.001 0.013 0.875 0.001 0.009 0.005 0.003 0.150 0.002 0.015 0.450

April 28, 2017 16 0.002 0.001 0.002 0.001 0.022 0.350 0.004 0.004 0.013 0.003 0.370 0.002 0.011 1.110

May 1, 2017 4 0.002 0.001 0.004 0.001 0.005 0.087 0.001 0.001 0.003 0.003 0.160 0.002 0.006 0.480

May 4, 2017 34 0.002 0.001 0.005 0.001 0.012 1.018 0.001 0.011 0.008 0.003 0.360 0.002 0.015 1.080

May 7, 2017 8 0.002 0.001 0.004 0.001 0.006 0.186 0.001 0.002 0.003 0.003 0.155 0.002 0.004 0.465

May 10, 2017 18 0.002 0.001 0.006 0.001 0.022 0.608 0.001 0.006 0.012 0.003 0.340 0.002 0.075 1.020

May 13, 2017 31 0.002 0.001 0.005 0.004 0.137 0.674 0.004 0.008 0.051 0.003 0.540 0.002 0.012 1.620

May 16, 2017 49 0.002 0.001 0.004 0.003 0.018 0.792 0.004 0.012 0.011 0.003 0.370 0.002 0.016 1.110

May 19, 2017 14 0.002 0.001 0.005 0.001 0.004 0.203 0.001 0.005 0.002 0.003 0.160 0.002 0.007 0.480

May 22, 2017 2 0.002 0.001 0.005 0.001 0.002 0.000 0.001 0.001 0.001 0.003 0.160 0.002 0.007 0.480

May 25, 2017 16 0.002 0.001 0.018 0.001 0.009 0.189 0.003 0.004 0.008 0.003 0.750 0.002 0.011 2.250

May 28, 2017 18 0.002 0.001 0.015 0.001 0.013 0.346 0.005 0.005 0.008 0.003 0.618 0.002 0.010 1.853

May 31, 2017 26 0.002 0.001 0.018 0.001 0.041 0.559 0.002 0.007 0.039 0.003 0.155 0.002 0.016 0.465

June 3, 2017 Motor Failure

June 6, 2017 37 0.002 0.001 0.004 0.001 0.023 0.522 0.003 0.005 0.009 0.003 0.160 0.002 0.023 0.480

June 9, 2017 40 0.002 0.001 0.005 0.007 0.057 1.773 0.003 0.007 0.072 0.003 0.350 0.002 0.015 1.050

June 12, 2017 45 0.002 0.001 0.005 0.001 0.020 0.601 0.003 0.011 0.016 0.003 0.750 0.002 0.016 2.250

June 15, 2017 36 0.002 0.001 0.004 0.001 0.011 0.622 0.001 0.008 0.005 0.003 0.165 0.002 0.014 0.495

June 18, 2017 28 0.002 0.001 0.002 0.001 0.007 0.132 0.001 0.003 0.003 0.003 0.320 0.002 0.009 0.960

June 21, 2017 Equipment Failure

June 24, 2017 24 0.002 0.001 0.002 0.001 0.740 0.204 0.001 0.003 0.006 0.003 0.150 0.002 0.034 0.450

June 27, 2017 19 0.002 0.002 0.004 0.002 1.060 0.505 0.003 0.004 0.058 0.003 0.420 0.002 0.012 1.260

June 30, 2017 22 0.002 0.001 0.004 0.001 0.830 0.303 0.001 0.005 0.005 0.003 0.440 0.002 0.015 1.320

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 16.0 0.002 0.001 0.003 0.001 0.019 #NUM! 0.002 0.004 0.007 0.003 0.256 0.002 0.011 0.769

Arithmetic mean 21.2 0.002 0.001 0.005 0.001 0.115 0.434 0.002 0.005 0.013 0.003 0.302 0.002 0.014 0.905

Max. concentration 49.3 0.002 0.002 0.018 0.007 1.060 1.773 0.008 0.012 0.072 0.003 0.750 0.002 0.075 2.250

Min. concentration 1.6 0.002 0.001 0.002 0.001 0.002 0.000 0.001 0.001 0.001 0.003 0.150 0.002 0.003 0.450

No. of valid samples 27 27 27 27 27 27 27 27 27 27 27 27 27 27 27

No. samples < mdl 1 27 25 10 20 0 - 16 0 3 27 14 27 1 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 4 100 93 37 74 0 - 59 0 11 100 52 100 4 -

% valid data 87 87 87 87 87 87 87 87 87 87 87 87 87 87 87

Delki Dozzi Monitoring Results for TSP and Metals

(results expressed in µg/m3)

Page 20: Ambient Air Sampling Program Second Quarter …...Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017 Amec

Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.04 10 - 2.0 120 -

April 1, 2017 19 0.002 0.001 0.002 0.001 0.026 0.559 0.001 0.005 0.017 0.003 0.350 0.002 0.012 1.050

April 4, 2017 7 0.002 0.002 0.002 0.001 0.004 0.061 0.001 0.001 0.001 0.003 0.160 0.002 0.010 0.480

April 7, 2017 20 0.002 0.001 0.003 0.001 0.016 0.626 0.001 0.004 0.008 0.003 0.155 0.002 0.009 0.465

April 10, 2017 13 0.002 0.001 0.002 0.001 0.007 0.183 0.001 0.003 0.005 0.003 0.150 0.002 0.007 0.450

April 13, 2017 20 0.002 0.001 0.002 0.002 0.026 0.748 0.003 0.005 0.015 0.003 0.310 0.002 0.012 0.930

April 16, 2017 5 0.002 0.001 0.002 0.001 0.004 0.051 0.001 0.001 0.001 0.003 0.155 0.002 0.002 0.465

April 19, 2017 18 0.002 0.001 0.002 0.001 0.007 0.262 0.001 0.004 0.004 0.003 0.155 0.002 0.007 0.465

April 22, 2017 11 0.002 0.001 0.002 0.001 0.021 0.243 0.003 0.002 0.010 0.003 0.160 0.002 0.014 0.480

April 25, 2017 21 0.002 0.001 0.002 0.001 0.009 0.445 0.001 0.005 0.003 0.003 0.155 0.002 0.010 0.465

April 28, 2017 19 0.005 0.001 0.002 0.002 0.072 0.543 0.009 0.003 0.050 0.003 0.480 0.002 0.014 1.440

May 1, 2017 5 0.002 0.001 0.004 0.001 0.005 0.073 0.001 0.001 0.003 0.003 0.150 0.002 0.007 0.450

May 4, 2017 24 0.002 0.001 0.005 0.001 0.013 0.746 0.001 0.008 0.010 0.003 0.330 0.002 0.012 0.990

May 7, 2017 8 0.002 0.001 0.005 0.001 0.005 0.159 0.001 0.002 0.002 0.003 0.165 0.002 0.004 0.495

May 10, 2017 19 0.002 0.001 0.010 0.004 0.019 1.054 0.001 0.005 0.017 0.003 0.160 0.002 0.010 0.480

May 13, 2017 20 0.002 0.001 0.004 0.002 0.033 0.665 0.003 0.005 0.026 0.003 0.400 0.002 0.008 1.200

May 16, 2017 41 0.002 0.001 0.006 0.004 0.058 0.991 0.007 0.010 0.077 0.003 0.580 0.002 0.013 1.740

May 19, 2017 14 0.002 0.001 0.007 0.001 0.005 0.243 0.001 0.005 0.003 0.003 0.160 0.002 0.006 0.480

May 22, 2017 7 0.002 0.001 0.006 0.002 0.046 0.272 0.006 0.001 0.049 0.003 0.370 0.002 0.011 1.110

May 25, 2017 13 0.002 0.001 0.016 0.001 0.009 0.132 0.001 0.004 0.005 0.003 0.480 0.002 0.008 1.440

May 28, 2017 25 0.002 0.001 0.015 0.005 0.029 0.968 0.007 0.004 0.029 0.003 0.530 0.002 0.009 1.590

May 31, 2017 Operator Error

June 3, 2017 36 0.002 0.001 0.004 0.006 0.033 1.444 0.003 0.004 0.024 0.003 0.155 0.002 0.014 0.465

June 6, 2017 34 0.002 0.001 0.002 0.001 0.009 0.235 0.002 0.003 0.004 0.003 0.160 0.002 0.009 0.480

June 9, 2017 35 0.002 0.001 0.004 0.004 0.023 0.977 0.001 0.004 0.017 0.003 0.155 0.002 0.011 0.465

June 12, 2017 42 0.002 0.001 0.004 0.005 0.049 1.223 0.003 0.007 0.025 0.003 0.620 0.002 0.017 1.860

June 15, 2017 70 0.002 0.001 0.005 0.002 0.027 1.630 0.006 0.019 0.011 0.003 0.160 0.002 0.023 0.480

June 18, 2017 39 0.002 0.001 0.004 0.006 0.041 1.357 0.002 0.004 0.030 0.003 0.155 0.002 0.013 0.465

June 21, 2017 25 0.002 0.001 0.004 0.003 0.340 1.032 0.001 0.004 0.014 0.003 0.155 0.002 0.008 0.465

June 24, 2017 29 0.002 0.001 0.003 0.001 0.380 0.335 0.001 0.004 0.006 0.003 0.155 0.002 0.011 0.465

June 27, 2017 20 0.002 0.002 0.004 0.004 0.320 0.988 0.003 0.004 0.072 0.003 0.430 0.002 0.012 1.290

June 30, 2017 Invalid Flow

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 18.7 0.002 0.001 0.003 0.001 0.022 0.436 0.002 0.004 0.010 0.003 0.230 0.002 0.009 0.691

Arithmetic mean 22.6 0.002 0.001 0.004 0.002 0.056 0.629 0.002 0.005 0.019 0.003 0.266 0.002 0.010 0.797

Max. concentration 69.5 0.005 0.002 0.016 0.006 0.380 1.630 0.009 0.019 0.077 0.003 0.620 0.002 0.023 1.860

Min. concentration 4.8 0.002 0.001 0.002 0.001 0.004 0.051 0.001 0.001 0.001 0.003 0.150 0.002 0.002 0.450

No. of valid samples 29 29 29 29 29 29 29 29 29 29 29 29 29 29 29

No. samples < mdl 0 28 27 11 15 0 - 16 0 2 29 18 29 1 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 0 97 93 38 52 0 - 55 0 7 100 62 100 3 -

% valid data 94 94 94 94 94 94 94 94 94 94 94 94 94 94 94

Spruce Street Monitoring Results for TSP and Metals

(results expressed in µg/m3)

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

TSP As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

Sch. 3/Guideline (µg/m3) 120 0.3 0.025 0.5 0.9 50 25 0.5 0.4 0.04 10 - 2.0 120 -

April 1, 2017 47 0.006 0.001 0.005 0.004 0.152 1.403 0.010 0.012 0.135 0.003 0.830 0.002 0.032 2.490

April 4, 2017 7 0.002 0.002 0.002 0.001 0.009 0.163 0.002 0.001 0.004 0.003 0.160 0.002 0.010 0.480

April 7, 2017 61 0.002 0.001 0.006 0.016 0.488 4.490 0.005 0.013 0.107 0.003 0.570 0.002 0.032 1.710

April 10, 2017 19 0.002 0.001 0.002 0.001 0.020 0.372 0.002 0.005 0.009 0.003 0.440 0.002 0.014 1.320

April 13, 2017 31 0.002 0.001 0.004 0.008 0.067 2.002 0.006 0.009 0.092 0.003 0.630 0.002 0.026 1.890

April 16, 2017 6 0.002 0.001 0.002 0.002 0.012 0.142 0.001 0.001 0.007 0.003 0.150 0.002 0.005 0.450

April 19, 2017 34 0.002 0.001 0.004 0.017 0.156 3.947 0.002 0.009 0.061 0.003 0.410 0.002 0.026 1.230

April 22, 2017 14 0.002 0.001 0.002 0.002 0.055 0.529 0.008 0.003 0.030 0.003 0.390 0.002 0.015 1.170

April 25, 2017 34 0.002 0.001 0.003 0.001 0.019 0.922 0.002 0.009 0.011 0.003 0.145 0.002 0.018 0.435

April 28, 2017 31 0.015 0.001 0.004 0.002 0.047 0.679 0.004 0.006 0.029 0.003 0.410 0.002 0.026 1.230

May 1, 2017 2 0.002 0.001 0.006 0.001 0.006 0.099 0.001 0.001 0.004 0.003 0.155 0.002 0.005 0.465

May 4, 2017 37 0.002 0.001 0.009 0.002 0.032 1.234 0.002 0.014 0.023 0.003 0.420 0.002 0.029 1.260

May 7, 2017 24 0.002 0.001 0.008 0.019 0.537 3.461 0.004 0.007 0.283 0.003 0.570 0.002 0.018 1.710

May 10, 2017 26 0.002 0.001 0.007 0.002 0.034 1.022 0.001 0.009 0.038 0.003 0.330 0.002 0.019 0.990

May 13, 2017 30 0.005 0.001 0.006 0.008 0.075 0.982 0.005 0.008 0.062 0.003 0.650 0.002 0.020 1.950

May 16, 2017 55 0.002 0.001 0.006 0.005 0.036 1.108 0.006 0.017 0.025 0.003 0.460 0.002 0.024 1.380

May 19, 2017 18 0.002 0.001 0.006 0.001 0.010 0.416 0.001 0.006 0.007 0.003 0.155 0.002 0.010 0.465

May 22, 2017 10 0.007 0.001 0.006 0.002 0.014 0.215 0.003 0.002 0.014 0.003 0.155 0.002 0.008 0.465

May 25, 2017 15 0.002 0.001 0.018 0.001 0.011 0.269 0.003 0.004 0.010 0.003 0.710 0.002 0.009 2.130

May 28, 2017 24 0.002 0.001 0.019 0.005 0.034 0.526 0.005 0.007 0.022 0.003 0.730 0.002 0.017 2.190

May 31, 2017 54 0.002 0.001 0.021 0.003 0.068 1.317 0.003 0.014 0.041 0.003 0.145 0.002 0.044 0.435

June 3, 2017 27 0.002 0.001 0.004 0.003 0.046 0.734 0.005 0.005 0.041 0.003 0.150 0.002 0.016 0.450

June 6, 2017 34 0.002 0.001 0.004 0.004 0.036 1.022 0.003 0.004 0.024 0.003 0.160 0.002 0.017 0.480

June 9, 2017 46 0.002 0.001 0.004 0.003 0.032 0.895 0.002 0.006 0.028 0.003 0.160 0.002 0.015 0.480

June 12, 2017 65 0.002 0.001 0.011 0.002 0.035 1.034 0.003 0.015 0.027 0.003 0.820 0.002 0.032 2.460

June 15, 2017 29 0.002 0.001 0.005 0.001 0.016 0.714 0.002 0.010 0.011 0.003 0.155 0.002 0.018 0.465

June 18, 2017 28 0.002 0.001 0.003 0.001 0.012 0.204 0.001 0.003 0.006 0.003 0.310 0.002 0.010 0.930

June 21, 2017 34 0.002 0.001 0.005 0.002 0.042 0.684 0.003 0.006 0.037 0.003 0.150 0.002 0.022 0.450

June 24, 2017 27 0.002 0.001 0.003 0.002 0.085 0.503 0.004 0.005 0.080 0.003 0.400 0.002 0.013 1.200

June 27, 2017 25 0.002 0.003 0.006 0.002 0.059 0.751 0.003 0.006 0.089 0.003 0.450 0.002 0.021 1.350

June 30, 2017 33 0.005 0.001 0.007 0.001 0.037 0.921 0.004 0.010 0.024 0.003 0.600 0.002 0.034 1.800

Guideline - Point of Impingement Guideline as per O.Reg.419/05

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

As of July 1, 2016 the new annual site specific standard for Nickel is 1.0 µg/m3. Therefore, the quarterly data is being compared to the annual site specific standard, 1.0 µg/m3.

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

Standard* 120 n/a 0.025 0.5 n/a 50 25 0.5 0.4 1 n/a n/a 2 120 n/a

No. > Sch. 3 value* 0 n/a 0 0 n/a 0 0 0 0 0 n/a n/a 0 0 n/a

Guideline n/a 0.3 n/a n/a 0.9 n/a n/a n/a 2.5 n/a 10 n/a n/a n/a n/a

No. > guideline n/a 0 n/a n/a 0 n/a n/a n/a 0 n/a 0 n/a n/a n/a n/a

URT n/a n/a 0 5 n/a n/a n/a 2 4 2 n/a n/a n/a n/a n/a

No. > URT n/a n/a 0 0 n/a n/a n/a 0 0 0 n/a n/a n/a n/a n/a

Geometric mean 24.5 0.002 0.001 0.005 0.002 0.038 0.712 0.003 0.006 0.026 0.003 0.321 0.002 0.017 0.962

Arithmetic mean 29.8 0.003 0.001 0.006 0.004 0.074 1.057 0.003 0.007 0.044 0.003 0.386 0.002 0.019 1.158

Max. concentration 64.7 0.015 0.003 0.021 0.019 0.537 4.490 0.010 0.017 0.283 0.003 0.830 0.002 0.044 2.490

Min. concentration 1.6 0.002 0.001 0.002 0.001 0.006 0.099 0.001 0.001 0.004 0.003 0.145 0.002 0.005 0.435

No. of valid samples 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31

No. samples < mdl 1 26 29 4 8 0 - 5 0 0 31 12 31 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0033 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0017 0.0017 -

% < detection limit 3 84 94 13 26 0 - 16 0 0 100 39 100 0 -

% valid data 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

Dynamic Earth Monitoring Results for TSP and Metals

(results expressed in µg/m3)

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

All non detectable results were reported as 1/2 the detection limit

Cells in RED indicate an exceedance

PM10 As Cd Cr Co Cu Fe(Fe2O3) Pb Mn Ni Se S V Zn SO4

AAQC (µg/m3) 50 - - 0.5 - - - - 0.25 - - - - - -

April 1, 2017 24 0.002 0.001 0.004 0.002 0.075 0.789 0.008 0.008 0.072 0.003 0.690 0.001 0.018 2.070

April 7, 2017 29 0.002 0.001 0.006 0.009 0.160 2.703 0.004 0.010 0.099 0.003 0.490 0.002 0.018 1.470

April 13, 2017 22 0.002 0.001 0.003 0.004 0.059 1.165 0.005 0.007 0.056 0.003 0.680 0.001 0.018 2.040

April 19, 2017 20 0.002 0.001 0.002 0.007 0.071 1.630 0.001 0.006 0.033 0.003 0.510 0.002 0.013 1.530

April 25, 2017 23 0.002 0.001 0.003 0.001 0.025 0.736 0.002 0.009 0.018 0.003 0.570 0.002 0.014 1.710

May 1, 2017 Operator Error

May 7, 2017 21 0.002 0.001 0.007 0.008 0.140 1.602 0.002 0.007 0.133 0.003 0.620 0.002 0.008 1.860

May 13, 2017 25 0.004 0.001 0.007 0.006 0.070 0.977 0.006 0.011 0.073 0.003 0.830 0.002 0.016 2.490

May 19, 2017 10 0.002 0.001 0.007 0.001 0.014 0.400 0.001 0.005 0.012 0.003 0.330 0.002 0.006 0.990

May 25, 2017 9 0.002 0.001 0.022 0.001 0.008 0.167 0.002 0.003 0.006 0.003 0.780 0.002 0.007 2.340

May 31, 2017 26 0.002 0.001 0.019 0.002 0.042 0.781 0.001 0.010 0.031 0.003 0.340 0.002 0.017 1.020

June 6, 2017 Invalid Flow

June 12, 2017 30 0.002 0.001 0.006 0.001 0.023 0.563 0.002 0.008 0.017 0.003 0.660 0.002 0.017 1.980

June 18, 2017 14 0.002 0.001 0.003 0.001 0.009 0.106 0.001 0.002 0.004 0.003 0.350 0.002 0.008 1.050

June 24, 2017 17 0.002 0.001 0.003 0.001 0.108 0.289 0.003 0.003 0.046 0.003 0.160 0.002 0.008 0.480

June 30, 2017 23 0.002 0.001 0.005 0.001 0.065 0.422 0.001 0.005 0.009 0.003 0.490 0.002 0.018 1.470

A "-" in the Fe(Fe2O3) indicates there was a ND for Fe for that sample and thus a value for Fe(Fe2O3) can not be calculated.

AAQC 50 - - 0.5 - - - - 0.25 - - - - - -

No. > AAQC 0 - - 0 - - - - 0 - - - - - -

Geometric mean 19.8 0.002 0.001 0.005 0.002 0.043 0.636 0.002 0.006 0.027 0.003 0.496 0.002 0.012 1.488

Arithmetic mean 20.9 0.002 0.001 0.007 0.003 0.062 0.881 0.003 0.007 0.043 0.003 0.536 0.002 0.013 1.607

Max. concentration 30.3 0.004 0.001 0.022 0.009 0.160 2.703 0.008 0.011 0.133 0.003 0.830 0.002 0.018 2.490

Min. concentration 8.8 0.002 0.001 0.002 0.001 0.008 0.106 0.001 0.002 0.004 0.003 0.160 0.001 0.006 0.480

No. of valid samples 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14

No. samples < mdl 0 13 14 1 5 0 - 5 0 0 14 1 14 0 -

Detection limit 3.0 0.0036 0.0012 0.0032 0.0012 0.0012 - 0.0018 0.0006 0.0018 0.0060 0.2800 0.0060 0.0033 -

Half detection limit 1.5 0.0018 0.0006 0.0016 0.0006 0.0006 - 0.0009 0.0003 0.0009 0.0030 0.1400 0.0030 0.0017 -

% < detection limit 0 93 100 7 36 0 - 36 0 0 100 7 100 0 -

% valid data 88 88 88 88 88 88 88 88 88 88 88 88 88 88 88

Notes:

(1) Ferric oxide values are presented for informational purposes only; ferric oxide was calculated from elemental iron (total Fe) assuming the Fe to be oxidized

Dynamic Earth Monitoring Results for PM10 and Metals

(results expressed in µg/m3)

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

APPENDIX B

HIVOL FLOW CALIBRATION CERTIFICATE

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Vale Canada Limited Ontario Operations Ambient Air Sampling Program Q2 2017 Report City of Greater Sudbury, Ontario August 2017

Amec Foster Wheeler Project No.: TY156006

APPENDIX C

MINISTRY OF THE ENVIRONMENT AND CLIMATE

CHANGE AUDIT REPORTS

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