EPA - LANSDOWNE PROJECT · EPA - LANSDOWNE PROJECT PHASE II SOIL CHARACTERIZATION REPORT FOR 34...
Transcript of EPA - LANSDOWNE PROJECT · EPA - LANSDOWNE PROJECT PHASE II SOIL CHARACTERIZATION REPORT FOR 34...
EPA - LANSDOWNE PROJECTPHASE II
SOIL CHARACTERIZATION REPORT
FOR
34 LEWIS AVENUE
Prepared by:
John O. Hamm
Performed by:
CHEM-NUCLEAR SYSTEMS, INC.140 Stoneridge DriveColumbia, SC 29210(803)779-0900
(803)256-3228 Fax
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34 LEWIS - SO/L9/10/92
TABLE OF CONTENTS
1.0 TITLE ....................../....................... 3
2.0 BACKGROUND ........................................ 32.1 Site History ....................................... 32.2 Structure Characterization .............................. 32.3 Soil Characterization ................................. 3
3.0 SURVEY METHODOLOGIES ............................... 43.1 Property Grid ...................................... 43.2 Direct Gamma Surveys ................................ 43.3 Soil Specific Activity Sampling ........................... 43.4 Down Hole Gamma Logging ............................ 5
4.0 SURVEY RESULTS ...................................... 54.1 Property Gridding ................................... 5'4.2 Direct Gamma Survey ................................ 54.3 Soil Samples ...................................... 54.4 Down Hole Gamma Logging Results ....................... 6
5.0 CONCLUSIONS ........................................ 9
ATTACHMENT A ........................................... 11
ATTACHMENT B ........................................... 12
LIST OF TABLES
TABLE 4.1 ................................................ 7
34 LEWIS - SOIL9/10/92
1.0 TITLE
Soil Characterization Report for 34 Lewis Avenue.
2.0 BACKGROUND
2.1 Site History
The property required radiological characterization of the structure and grounds,which was performed with the intent of determining what materials requireremoval to release the structure for unrestricted use.
The contamination consists of natural radium and it's parent and daughterproducts. The source of the contamination is a radium extraction process whichoperated in Lansdowne between the years of 1915 and 1922. The sites werecontaminated during the years 1915 to 1922, when tailings from the radiumextraction process were used as back fill and included in building masonry andplaster in place of sand. Site characterization consisted of determining the levelof radioactive contamination in the structures and grounds. Surveys also includedsample analysis to determine specific activity to satisfy safety, transportation, anddisposal requirements.
2.2 Structure Characterization
Structure characterization was completed by a CWM survey team April 21, 1992.The results of that characterization are documented in "Characterization ReportFor 34 Lewis Avenue".
Limited soil characterization was performed during the structure characterization.Four samples were obtained on the property. Sample 3; under front walk:ii2pCi/g, sample 74, south end of driveway: «7IpCi/g, sample 75; south end ofdriveway: 99pCi/g, sample 77; NE yard: 107pCi/g.
2.3 Soil Characterization
The CWM survey team arrived at the property on August 14, 1992 atapproximately 12:45 PM, received a arief on the structure survey and preliminarysoil characterization results and commenced surveying in accordance with theHealth and Safety Plan and the Operations Plan. Surveys were completedSeptember 9, 1992 at approximately 1:30 PM.
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34 LEWIS - SOIL9/10/92
3.0 SURVEY METHODOLOGIES
Surveys and sampling activities were conducted in accordance with EPA - LansdowneSite Health and Safety plan and the EPA - Lansdowne Operations Plan. A briefdescription of the methods utilized is included below:
3.1 Property Grid
The property was gridded to provide a means of identifying sample locations andto allow grid reestablishment with reasor ole accuracy. The grid is anchored bya permanent structural reference point, typically the left front corner of thestructure viewed from the street.
3.2 Direct Gamma Surveys
Direct gamma rate surveys were performed to identify localized hot spots and tohelp define the boundaries of potentially contaminated areas. At each grid pointand any hot spot a 0.1 minute gamma sealer count was performed and the resultslogged on the survey form. Any point which exceeded average background plustwo standard deviations was considered potentially contaminated. These surveyswere performed to identify locations requiring soil sampling.
Direct gamma rate surveys and sealer counts were performed using a 2" x 2" Naldetector with an appropriate instrument.
3.3 Soil Specific Activity Sampling
Each hot spot and each grid point identified as being potentially contaminated wassampled for gamma spectroscopic analysis. Additionally each grid pointbounding potentially contaminated areas was sampled for gamma spectroscopicanalysis.
Each point described above was sampled by drilling a 3" diameter x 24" deepbore hole using a split spoon sampler. The soil plug removed from the splitspoon sampler was segregated into four samples by depth. Each sample wasanalyzed for Ra specific activity using a GeLi gamma spectroscopy system.
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34 LEWIS - SOIL9/10/92
3.4 Down Hole Gamma Logging
Down hole gamma logging of each bore hole was performed using a 2" x 2" Naldetector with an appropriate instrument in sealer mode. Each bore hole wascounted for 0.1 minute at each point down hole starting at 0" (surface directlyover bore hole) and each six inch increment to the bottom or ne hole.
A field check was performed on the bottom (18" - 24") soil sample from eachbore hole using a 2" x 2" Nal detector with an appropriate instrument in sealermode for a 0.1 minute count. If the sample exceeded average background plustwo standard deviations, the bore hole was sampled again to a total depth of 48".
4.0 SURVEY RESULTS
4,1 Property Gridding
The property was gridded using the Southeast corner of the house as the zeroreference. The grid map is included with the Contamination/Radiation reportcontained in Attachment A.
4.2 Direct Gamma Survey
Direct gamma surveys were performed using a Ludlum Model 2221 with a 44-102" x 2" Na-I detector. The direct gamma readings were obtained at each gridpoint on the property. The results of this survey are shown on theContamination/Radiation report contained in Attachment A.
4.3 Soil Samples
Four soil samples were collected from each point determined to be potentiallycontaminated and the surrounding grid points. The samples were counted witha high purity germanium detector. Due to the difficulties involved withmaintaining a constant sample geometry, the results are only accurate within thepercent error listed on the report. The results of these samples are shown in theContamination/Radiation report contained in Attachment A. A brief summary ofthese samples is provided in Table 4.1.
34 LEWIS - SOIL9/10/92
4.4 Down Hole Gamma Logging Results
A 0.1 minute sealer check using a Ludlum 2221 with a 2" x 2" Nal detector wasperformed in each bore hole at 0", 6", 12", 18", and 24" down hole. The 18"-24" ttom) sample from each bore hole was field counted for 0.1 minute usinga Luumm 2221 with a 2" x 2" Nal detector in sealer mode. A direct correlationbetween gamma rates and levels of soil contamination cannot be assumed due tovariances in soil types, density, moisture content and most significantly,proximity to contaminated structures. Elevated levels may indicate the need foradditional sampling but should not be considered definitive in themselves. Theresults are shown in the Contamination/Radiation report contained in AttachmentA.
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TABLE 4.1SOIL SAMPLES
34 LEWIS AVENUE
SAMPLE IDENTIFICATION SAMPLE SAMPLE SPECIFICDEPTH WEIGHT ACTIVITY ERRORinches grams pCi/gm %
#2/10W,0 0"-6" 550 6.4 32
12"-18" 635 25.3 18
18"-24" 784 19.7 26
30"-36" 790 19.8 20
36"-42" 729 12.5 21
#9/80W,0 0"-6" 496 6.7 25
#17/8S,10E 0"-6" 576 6.5 23
#24/60W,10S 6"-12" 704 75.7 10
12"-18" 809 14.7 29
#27/100W,10S 0"-6" 433 6.6 36
#31/20S,0 0"-6" 608 10.4 20
#36/50W,18S 0"-6" 613 9.2 24
6"-12" 721 40.3 14
12"-18" 666 51.5 12
#38/70W,18S 0"-6" 530 9.9 24
12"-18" 678 19.6 17
#43/10N,10E 0"-6" 655 25.9 12
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TABLE 4.1 continued
SAMPLE IDENTIFICATION SAMPLE SAMPLE SPECIFICDEPTH WEIGHT ACTIVITY ERRORinches grams pCi/gm %
#52/20N,0 0"-6" 594 14.1 18
12"-18" 646 35.4 14
#142/76W,18N 0"-6" 555 18.4 17
6"-12" 641 21.0 21
#144/50N,4W 0"-6" 540 58.0 10
6"-12" 689 30.0 15
#148/24N,32W 18"-24" 680 16.0 24
24"-30" 694 21.4 19
30"-36" 739 27.7 15
36"-42" 752 43.3 11
42"-48" 713 46.0 10
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34 LEWIS - SOIL9/10/92
5.0 CONCLUSIONS
The conclusions below assume that contaminated soils will be removed to the vertical andhorizontal boundaries formed by the clean samples adjacent to the contaminated area.It is recommended that after removal and prior to back filling, additional sampling beperformed to ensure removal was adequate.
In some cases the removal recommended below will expose soils that, while below thelimits for their depth, are at elevated activities above background and may requireradiological controls while exposed.
Based on characterization results the following area(s) (but not limited to) must beremoved to allow for release of the grounds for unrestricted use:
AREA(S) REQUIRING REMOVAL
(t o - The area enclosed by grid points #75/40N,0, #76/40N, 10W, #104/60N, 10W and #103/60N,0 toa depth of 18 inches. This is an area of approximately 200 ff.
^ o - The area enclosed by grid points #44/60W, ION, #47/90W, ION, #70/90W,30N and #67/60W,30Nto a depth of 18". This is an area of approximately 600 ft1.
-$ o - The area enclosed by grid points #25/70W,10S, #26/80W,10S, the east wall of the garage, thenorth wall of the garage, grid points #10/90W,0, #47/90W, ION and #45/70W, ION to a depth of12". This is an area of approximately 370 ft1. Additional samples should be obtained from belowthe grade of garage floor prior to backfilling.
y, o - The area enclosed by the south property line, the west property line, the west wall of the garageand grid point #11/100W,0 to a depth of 12". This is an area of approximately 100 ff.Additional samples should be obtained from below the grade of garage floor prior to backfilling.
S~, o- The area enclosed by the east side of the house, grid points #61/30N,0, #60/30N,10E,#51/20N,10E, #49/30E,20N, #12/30E,0, #13/20E,0, #29/18E,20S, the south property line (seenote 1), grid points #39/80W,17S, 026/80W, IOS, #25/70W,10S, #8/70W,0 and the south side ofthe house to depth of 24" (see note 2). This is an area of approximately 2400 ff and includes 20'
. of public sidewalk, the concrete front walk (contaminated - 400pCi/g), the concrete drive way andthe concrete walk to the rear deck. Additional samples should be obtained from below the gradeof garage floor prior to backfilling.
NOTE 1: The contaminated soil extends across the south property line and a cleanboundary cannot be determined until a characterization of the adjoiningproperty can be made.
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34 LEWIS - SOIL9/10/92
NOTE 2: Contamination at grid point #2/10W,0 extends to a depth of 42". Due tothe levels of contamination in the foundation and the soil under basementfloor there is a potential for contamination in the soil to the base of thefoundation and below in all areas adjacent to the foundations.
/ o - The area enclosed by grid points #63/30N,20W, #65/40W,30N and the north side of thehouse to a depth > 48" (see note 2). This is an area of approximately 120 ft2.
2100c± a ' 120 ft X
y2ft - S2ft.
7
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ATTACHMENT A
CONTAMINATION/RADIATION REPORT
FOR
34 LEWIS AVENUE
(43 Pages)
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BORE HOLE LOG
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X/LV/lX
HOLE ID:TIME DRILLED:TIME LOGGED:SOIL TYPE
DEPTH
SURFACE
0"
6"
12"
18"
\H-
X36" \
42"
48"
Fiold Check
COUNTS/. IMIN
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REMARKS:
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AR30I66I
BORE HOLE LOG
P R O P E RT YV^ fats ,/fo
INSTRUMENT/SERIAL #%«&)hv~/Jti W?V? PAGE // OF V3. , . \i . , _ . . . _.
NOTES: 1. All holes aro 3 incfi diameter.2. Record uhusual conditions such as water In bore hole or obstructions.
HOLE ID:£jTIME DRILLTIME LOGGSOIL TYPE:
DEPTH
SURFACE
0-
6"
12"
18"
24"
30"
36"
42"
48"
Fir-ld Chock
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HOLE ID:£,TIME DRILLTIME LOGGSOIL TYPE:
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42-
48-
Field Check
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HOLE IDx / V y --TIME DRILLED: >?p/_?TIME LOGGED: ^ ___SOIL 'IYPE:/?/LX// /j/«/
DEPTH
SURFACF.
0"
5"
12"
18"
24"
30"
36"
42"
48'
Fiold Ch«ck
COUNTS/. IMIN
75" / 9
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HOIE ID:/k:'i 5*/7v*— ' //9 t*J /TIME DRILLED: •fTIME LOGGED: Z§Vy 1SOIL TYPE-
DEPTH
SURFACE
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6"
12"
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24"
30"
36"
42"
48"
Fi»ld Ch.ck
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HR30I662
BORE HOLE LOG
PROPERTY ??/6Ax;r xfW_____________.. .. DATE
INSTRUMENT/SERIAL ffZA'l //yv-<v/#&/?22 PAGE / 2. QF' / "' ———— ~
NOTES: 1. All holes aro 3 inch diameter.2. Rocord uhusual conditions such as water In bore hole or obstructions.
HOLE \\y.9/_(5_Q M ^-V^TIME DRILLED yP ""TIME LOGGED: /3f~SOIL TYPE: tv/W/,UM/
DEPTH
SURFACE
12"
18"
24"
30"
36"
42"
48"
COUNTS/. IMIN
HOLE ___TIME DRILLED:TIME LOGGED:SOIL
DEPTH
SURFACE
12"
18"
24"
30"
36"
42"
48"
COUNTS/. IMIN
HOLETIME
DEPTH
SURFACE
0"
12"
18"
24"
30"
36"
42"
48"
COUNTS/. IMIN
HOLETIMETIME LOGGED:SOIL
DEPTH
SURFACE
12"
18"
24"
30"
36"
42"
48"
COUNTS/.1MIN
Field Chock Fiold Check Fiold Chock Fiold Ch»ck
REMARKS:
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AR30I663
BORE HOLE LOG
PROPERTY ~
INSTRUMENT/SERIAL 1t3$£//&t/ ,i/<#J?9?.'?l PAGE / >J OF/ - y "-^ —————NOTES: 1. Ail holes aro 3 inch diameter.
2. Rocord uhusual conditions such as water In bore hole or obstructions.
HOLE ID:_¥TIME DRILLTIME LOGGSOIL TYPE:
DEPTH
SURFACE
0"
0"
1 2"
18"
24"
30"
36"
42"
48"
Fiold Check
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TIME DRILLED: /f //TIME LOGGED: /;T>?SOIL TYPE: [3i/iLf.'l/:i
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
Finld Check
COUNTS/. IMIN
/72*S
$£$(/$£#!)
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HOLE iD:/y?/yyLy //?/t/?TIME DRILLED: / -QJTIME LOGGED: / '?/SOIL TYPE:
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
Fiald Check
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DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
Fiold Check
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AR30I661*
BORE HOLE LOG
INSTRUMENT/SERIAL n //?/ fn/ .<?9 7 PAGE ' '/ OF </" ' —— —————NOTES: 1. All holes aro 3 inch diameter.
2. Rocord unusual conditions such as water In boro hole or obstructions.
HOLE ID:.TIME DRILLED^TIME LOGGED:,SOIL TYPE:
DEPTH
SURFACE
12"
18"
24"
30"
36"
42"
48'
Fiold Chock
COUNTS/. IMIN
REMARKS:
HOLE It:TIME DRILLED":.TIME LOGGED:_/£/;SOIL TYPE:_A_£Xx "
DEPTH
SURFACE
12"
18"
24"
30"
36"
42"
48"
Field Check
COUNTS/. IMIN
HOLETIME DRILLED: /£•£«TIME i nr:ncn. ,•, *./•>TIME LOGGED: /Vjcnn TVPC- ,'"x_/'i xT/ ,SOIL TYPE:
DEPTH
SURFACF.
0"
12"
18"
24"
30"
36"
42"
48"
P«ld Check
COUNTS/. IMIN
HOLETIME DRILLED:TIME LOGGED:SOIL TYPE:£V.
DEPTH
SURFACE
12"
18"
24"
30-
36"
42"
48"
Field Check
COUNTS/. IMIN
flR30!665
BORE HOLE LOG
PROPERTY yy^uwsr- Jsf. DATE 7 /r ?2
INSTRUMENT/SERIAL ff J5;..£/ ///A//) /#>V7fJ> PAGE / "? OF c/3
NOTES: 1. All holes aro 3 inch diamoter.2. Rocord uhusual conditions such as water in bore hole or obstructions.
HOLE IO:<3j £A'' W1 1 MR DRILLED :<*£•£_ _TIME LOGGED-" ~'~<r/S/~SOIL TYPE: Ci :>//';
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
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DEPTH
SURFACE
0"
8"
12"
18"
24"
30"
36"
42"
49"
Field Check
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DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
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DEPTH
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0"
12"
18"
24"
30"
36"
42"
48"
Fi»ld Check
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AR30I666
- BORE HOLE LOG
PROPERTY
INSTRUMENT/SERIAL #%%**} / /fl/tiPS*?? PAGE /6- OF '/ ~~*
NOTES: 1. All holes aro 3 inch diamotor.2. Record uVuisua! conditions such as water in bore hole or obstructions.
I IOLE ID: 3 7 t/VuU /£'/y*TIME DRILLTIME-LOGGSOIL TYPE,;
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
35"
42"
48"
Fiold Check
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HOLE ID: _?^ (figlJ JlS-j-TIME DRILLED: M$j$-TTME LOGGED: r;<?s/XSOIL TYPE:
DEPTH
SURFACE
0"
9"
12"
18"
24"
30"
36"
42"
48"
Field Cheek
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HOLE 10:TIME DRIL1TIME LOGtSOIL TYPE
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
Field Check
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48"
Field Check
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AR30I667
BORE HOLE LOG
PROPERTY y^Lf^.tf S}*;*____________ DATE k
INSTRUIV1EMT/SERIAL #%& 1/*/*/••/&/£W73? PAGE II- OF '-13y7^ <-"
NOTES: 1. All holos oro 3 inch diamoter.2. Rocord i/nusunl conditions such as water In boro holo or obstructions.
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{\R30I668
IBORE HOLE LOG
.PATE J&Aufc
INSTRUMENT/SERIAL #3aa,Av-*M /#£/-/??"? PAGE 1$ OF '-/'' / • / • • •NOTES: 1. All liolos aro 3 inch diamoter.
2. Record Lfnusual conditions such as water in horo holo or obstructions.
I IOLE ID: 33/ / z«v<"2TIME DRILLED /f fy """TIME LOGGED: '///-Ti?SOIL TYPE:
DEPTH
SURFACE
0"
6"
12"
18"
24"
.lo-se-42"
48"
Fluid Check
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COUNTS/. IMIN
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HOLE ID:,2 //x /A//xx:yTIME DRILLED: ///£/TIME LOGGED: s,y</SOIL TYPE
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
Field Chock
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DEPTH
SURFACE
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6"
12"
18"
24"
30"
36"
42"
48"
Field Check
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AR30I669
BORE HOLE LOG
PROPERTY '/'A ux/./ xxV__________ DATE.ffx vv./'.x-v- £y"
INSTRUMENT/SERIAL #ffj? 3///'•/ /_//' /(.f/fr PAGE ' c> OF/_/-->
NOTES: 1. All holes are 3 inch diameter.2. Record ifnusual conditions such as water In boro holo or obstructions.
HOLE ID:5,5-/ A"v/ /£' 5/TIME DRILLED '/.,/--'TIME LOGGED: x<?/ -pSOIL TYP~ < sfs. <•/<•'•'
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8"
12"
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24"
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42"
48"
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42"
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Finld Check
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Field Check
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AR30I670
PROPERTYINSTRUMENT/SERIAL #NOTES: 1, All holos ara 3 inch diameter.
2. Record uhusual conditions such as water in boro hole or obstructions.
HOLE ID:/f-f <*{</!TIME DRILLED 'xx2? —TIME LOGGED: xxJs'x5SOIL TYPE:
DEPTH
SURFACE
0"
6"
12"
18"
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36"
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48"
Field Check
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Field Check
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Field Check
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AR30I67I
BORE HOLE LOG
PROPERTY
/ / "^INSTRUMENT/SERIAL #.A9,cJ//</'V-//V- /?,?'x1. /7 PAGE 21 OF <-/'>>/ / " ' " "
NOTES: 1. All holes are 3 inch diameter.2. Rocord Unusual conditions such as water in boro holo or obstructions.
HOIE ID:£/TIME DRILLTIME LOGGSOIL TYPE:
DEPTH
SURFACE
0"
0"
12"
18"
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30"
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42"
48"
Field Check
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DEPTH
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12"
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24"
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36"
42"
48"
Field Check
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42"
48"
Field Check
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/JR30I672
BORE HOLE LOG
PROPERTY CVz v// x^-________________ DATE a.Q
INSTRUMENT/SERIAL ffx /VxW// /#££?& PAGE 2'£ OF V3
NOTES: 1. All holes aro 3 inch diameter.2. Record unusual conditions such as water in bore hole or obstructions.
HOLE ID: </5 /& V £.t J . .-. 1 )TIME DRILLED /-/>x'TIME LOGGED://"'//SOIL TYPE:
DEPTH
SURFACE
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6"
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48-
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12"
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30"
36"
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48"
Field Check
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AR30I673
BORE HOLE LOG
PROPERTY iyS.AiJ'f /<?«?•______________ DATE
IIMSTRUMENT/SERIAL ff srt///wA f 1<?o________
NOTES: 1. All holes aro 3 inch dinmoter.2. Record unusual conditions such as water In bore hole or obstructions.
HOLE ID:/TIME DRILLTIME LOGGSOIL TYPE:
DEPTH
SURFACE
0"
6"
12"
18"
24"
30"
36"
42"
48"
Finld Check
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BORE HOLE LOG
PROPERTY ?y/t\,uf< x////'. ____________ PATEXT.j'x
"INSTRUMENT/SERIAL # S'Z ' '</</. '/flftf//?? PAGE^C/ OF V_____
NOTES: 1. All holes aro 3 inch diameter.2. Record unusual conditions such as water in boro hole or obstructions.
HOLE ID://TIME DRILLTIME LOGGSOIL TYPE:
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0"
0"
12"
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48"
Field Check
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