This is a guide to the Waikato Regional Plan rules for ...

JULY2015

to agrichemical spraying

Contractor’s

GUIDEQualifi cations

Spray plans

Preparing a spray plan

Notifi cations

Spray plan: general

Spray plan: public amenity areas annual programme

Drift hazard guidance chart

Job sheet

FOR MORE INFORMATION visit www.waikatoregion.govt.nz/agrichemical-spraying 2

Contractor’s guide to agrichemical spraying

About this guide

This is a guide to the Waikato Regional Plan rules for agrichemical spraying by contractors. For comprehensive information see www.waikatoregion.govt.nz/agrichemical-spraying.

To comply with Waikato Regional Plan rule 6.2: The Discharge of Agrichemicals into Air, contractors carrying out wide-spread spraying or working in public places must ensure:

• they are qualified

• a spray plan has been completed

• notifications have been done

• a spray diary is completed.

FOR MORE INFORMATION visit www.waikatoregion.govt.nz/agrichemical-spraying

OR 3freephone 0800 800 402 (8am–5pm weekdays)freephone 0800 800 402 (8am–5pm weekdays)OR

Qualifications• Any person undertaking widespread spraying or carrying out spraying in a public area for hire or reward

must hold or be under the direct supervision of a Registered Chemical Applicator (RCA).

• Pilots undertaking the aerial application of agrichemicals must have a Pilot’s Chemical Rating issued by the Civil Aviation Authority.

Spray plans• The owner, occupier or manager of the property to be sprayed must prepare a spray plan. Contractors

for Waikato Regional Council will either be provided with a spray plan or will be asked to prepare one. Contractors must keep a copy of the spray plan and adhere to the conditions prescribed in it.

Preparing a spray plan Rule 6.2.4.9 of the Waikato Regional Plan requires a spray plan to be prepared for any widespread spraying work, including in public places.

A spray plan needs to include:

• the name of the property owner, property manager and contact details

• the name of the Registered Chemical Applicator and contact details

• details of neighbours adjoining the property boundary

• details and/or plan or map showing the area and location of spraying, location of sensitive areas including houses, schools and roads (especially those used by school children), sensitive crops

• the plants to be sprayed, herbicide likely to be used, time of year the spraying is likely to be carried out

• strategies to be used to avoid off-target effects

• the name of the person likely to be doing the spraying and their qualification

• conditions which may increase spray drift (page 104 NZS8409:2004 for drift guidance chart)

• an indication of the herbicide which may present a specific hazard (e.g. toxic to bees).



W H E N N O T I F I C AT I O N O F H E R B I C I D E S P R AY I N G I S R E Q U I R E D

Notifications

Ground based spraying on private land further than 50m from property boundary

• No requirement unless requested by someone. Notification can be in any form agreed by parties.

Ground based spraying within 50m of property boundary

• Verbal or written* notification** to adjoining neighbours or any other person requesting notice between 12 hours and 3 weeks prior to spraying or annual written advice to any person likely to be directly affected that a spray plan is available on request – notification procedures to be mutually agreed and specified in spray plan.

• Signage required where boundary is within a public amenity area.

Spraying in a public amenity area

• Written notice* or verbal notification** of those who may be affected between 12 hours and 3 weeks prior to spraying or annual or seasonal notification* or written notice* prior to discharge.

Aerial• Verbal or written notice* to adjoining neighbours or

any other person requesting notice.

*Written notice can include circulars in mail, newspaper advertising, emails or signage along property boundaries

**Notification to include:

• that spray plan is available for viewing

• herbicide and HSNO classification

• name and contact phone numbers for further information

• likely date, time and duration of discharge

• location of discharge.

Therefore: When spraying in public amenity areas an annual notice in newspapers is okay. A spray plan is required. Signage along the boundaries is also okay, providing it is erected between 12 hours and 3 weeks prior. Spray plan required.

Public amenity includes those areas to which the public have right of access under any statute, regulation, law or bylaw, which may include:

• Crown or council properties, reserves, gardens, parks and airfields

• grasslands, sports grounds and recreational turf

• forest and bush areas

• road and rail verges and embankments, pedestrian walkways, malls and precincts

• beaches and beach reserves and adjacent foreshore areas.

OR 5freephone 0800 800 402 (8am–5pm weekdays)

Continued overleaf

Spray plan: GeneralSpray plan Date:

Prepared by:

Copy to:

Property owner:

Property manager:

Address:

Sensitive areas Detail

Houses

Schools

Roads

Water

Crops/vegetation

Other

Notification Type Details or name Date

Public notice

Neighbours and contact details

Signage

Pest plant(s) targeted:

Spray contractor:

Qualification:

Herbicide likely to be used Tick Risk specific to herbicide Time of year spraying likely

Metsulfuron-methyl • Damage to ryegrass/clover.

• Soil residue 3 months.

• Withholding period for livestock applies.

Triclopyr • Clover damage at higher rates.

• Poisonous plants become more palatable to livestock.

Picloram/triclopyr • Damage to legumes.

• Soil residues (approx 1-2 months for legumes).


Glyphosate • Non-selective.

• Withholding period applies to ragwort.

• Recommended to delay grazing for 3-7 days for other plants.

Haloxyfop • Grass specific.

• Soil residue effect on grasses/monocots.

Clopyralid • Damaging to clovers.

• Soil residue affects some crops.

• Not for use in home gardens.

Imazapyr • Residual up to 6 months.

• Do not graze or use treated vegetation for stock feed.

Other (specify)



Note: Spray diary to be completed on completion of spraying.

Strategies to avoid off-target effects Tick

Wind speed not more than 10km/h for land-based or 5km/h for aerial.

Apply herbicide according to label.

When within 100m of public amenity area or house apply spray when wind direction away from public amenity area or house.

When within 100m of significant sensitive vegetation (e.g. native forest/crops) apply spray when wind direction away from that vegetation.

Avoid spraying when wind direction unpredictable.

Apply herbicide as close as possible to target plant.

Low drift nozzles.

Anti foam added.

Annual spray plan for spraying in public amenity areas

Date:

Prepared by:

Copy to:


Spray plan: Public amenity areas annual programmeAnnual spray plan for spraying in public amenity areas

Date:

Prepared by:

Copy to:

Locations

Public amenity areas within the Waikato region.

Exact locations not known but determined at the time of location of pest plants subject to management under the Regional Pest Management Plan.

Assessment of location and sensitive areas/factors to be carried out prior to spray work and will be noted in spray diary.

Sensitive areas/factors Detail of strategies to minimise potential effects

Recreational area • Erect warning signs/spray notices.

• Consider closing area to public until spraying complete and rainfast.

• Avoid public holidays/weekends.

• Consider spraying early in the morning.

Members of public • As above

Houses • Notify occupiers of adjacent houses if spraying within 50m.

Schools • Notify school if spraying within 100m.

• Spray outside of school hours/term if possible.

Roadsides • Erect notices of spraying or ensure vehicles display signage.

• If footpaths are adjacent to spray area, treat as recreational area.

Neighbouring property • Notify adjacent property owners/occupiers if spraying within 50m 12 hours to 3 weeks prior, or annual notice in newspaper.

Water • Application of spray to be carried out in a manner that prevents contamination of waterway.

Crops/vegetation • Application of spray to be carried out in a manner that prevents contamination of crops/non target vegetation.

Other

Pest plants likely to be targeted:

Continued overleaf



Contractor/person(s) likely to be spraying:

Qualification:

Herbicide likely to be used Risk specific to herbicide Time of year spraying likely

Metsulfuron-methyl • Damage to ryegrass/clover.

• Soil residue 3 months.

• Withholding period for livestock applies.

Triclopyr • Clover damage at higher rates.


Picloram/triclopyr • Damage to legumes.

• Soil residues (approx 1-2 months for legumes).


Glyphosate • Non-selective.

• Withholding period applies to ragwort.

• Recommended to delay grazing for 3-7 days for other plants.

Haloxyfop • Grass specific.

• Soil residues effect on grasses/monocots.

Clopyralid • Damaging to clovers.

• Soil residue affects some crops.

• Not for use in home gardens.

Imazapyr • Residual up to 6 months.

• Do not graze or use treated vegetation for stock feed.

Other (specify)


TA B L E G 1 : D R I F T H A Z A R D G U I D A N C E C H A R T ( E X T R A C T : N Z S 8 4 0 9 : 2 0 0 4 , PA G E 1 0 4 )

Potential drift hazard scale

Factor High hazard Low hazard Comment

Wind speed Zero/very low (less than 1m/s or greater than 6m/s

Steady (1-3 m/s) Measure or estimate using smoke

Wind direction Unpredictable Predictable and away from sensitive areas

Use smoke to indicate

Humidity Low (delta T >8OC High (delta <4OC) Measure using whirling psychrometer

Atmospheric stability Inversion layer present No inversion layer Use cold smoke to indicate

Maximum height of release of agrichemical

>1.5m above the target <0.5m above the target Application technique

(see 5.3.4.2, NZS 8409:2004)

Particle (droplet size) <50 microns diameter >250 microns diameter See Q1

Volatility of agrichemical High (vapour pressure > 10mPa)

Low (vapour <0.1mPa) Check product label, SDS or PSC

Sensitive area Close (<100m away) None, or more than 1km distant

Identify on property protocol

(see M4, NZS 8409:2004)

Buffer zone None Yes (>100m) Guideline only

Shelter belts No shelter Live shelter, >3m high and 1m thick

Not for herbicides

Toxicity Class 6, 1A, B, C, D Class 6.1.E Check label

Note

1. The potential drift hazard scale is given as high or low, and intermediate situations should be rated accordingly. For example, a droplet size of 150 microns diameter would represent a moderate drift hazard.

2. Some factors can be changed to reduce the hazard rating. For example, use lower volatility chemical, larger droplet size.

3. All of the weather related factors are to be assessed at the application site.

4. Toxicity of the agrichemical has been included on the chart, but use of a schedule heading is only one indicator of toxicity, and is not always sufficient. In all cases, users should select the least toxic agrichemical that is suitable for the specific application. Check the label and product information.

5. 1m/sec = 3.6mk/h: 6m/sec = 20km/h (approx).



J O B S H E E T/ S P R AY D I A R Y P E S T P L A N T S

Cont

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/ N

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If

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:

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Add

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: R

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Sens

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Gen

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Haz

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:

Haz

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Haz

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a fo

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ove.


4484

07_

2015

Private Bag 3038Waikato Mail CentreHamilton 3240New Zealand

Freephone 0800 800 [email protected]

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