NCD980602163_19970422_Warren County PCB Landfill_SERB C_Report of Aquifer Tests on Recovery Well B-1-OCR

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REPORT OF
AQUIFER TESTS ON
RECOVERY WELL 8-1
WARREN COUNTY PCB LANDFILL
WARREN COUNTY, NORTH CAROLINA
Prepared for:
North Carolina Department of Environment,
Health, and Natural Resources
Division of Waste Management
Raleigh, NC 27611-7687
S&ME Project No. 1054-97-670
Prepared by:
S&ME, Inc.
3100 Spring Forest Road
Raleigh, NC 27604
~~~/;.--WalterJ. Beckwiti,l,P. G.
Senior Project Geologist
~ViCEl President
Environmental Manager
April 22, 1997
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Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
TABLE OF CONTENTS
S&ME Project No. 1054-97-670
April 22, 1997
1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.0 SOIL BORINGS AND WELL INSTALLATION ........................... 1
-3.0 AQUIFER TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4.0 DATA EVALUATION .............................................. 3
I 5.0 RES UL TS OF THE ANALYSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
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6.0 CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
REFERENCES
APPENDIX I
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·1
Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
1.0 INTRODUCTION
S&ME Project No. 1054-97-670
April 22 , 1997
Two borings were drilled in the Warren County PCB Landfill to obtain samples of landfill
materials for bench scale detoxification studies. At the completion of drilling, the borings
were converted to recovery wells. The recovery wells can be used in the future to remove
water that is present in the landfilled materials. Slug tests were performed in one of the
recovery wells to evaluate the hydraulic conductivity of the saturated landfill materials.
2.0 SOIL BORINGS AND WELL INSTALLATION
Two borings were opened in the landfill in accordance with the Work Plan submitted by
S&ME on February 13, 1997. The borings were opened with 3-1/4 inch ID hollow stem
augers. Split-spoon samples and thin wall (Shelby) tube samples were obtained during
drilling to evaluate the landfill cap soils and the PCB-impacted soil buried in the landfill.
The cap soils were visually classified in the field as silty clay, denoted by (CH) in the
Unified Soil Classification System. Most of the landfilled soils were classified in the field
as silty sand (SM) containing some clay and organic material. Boring B-1 was extended
approximately 30 feet below grade. B-2 was extended approximately 31 feet below grade.
Both borings were drilled completely through the landfilled soils, terminating at the top of
the five-feet of compacted clay that is present beneath the landfill.
The 3-1/4 inch augers were removed and the boreholes were reamed with 8-1/4 inch ID
hollow stem augers that opened a 12-1/2 inch borehole. The smaller augers were used
to facilitate collection of geotechnical soil samples and the larger augers were required to
install the wells. The larger augers were advanced to the same termination depths.
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Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
S&ME Project No. 1054-97-670
April 22, 1997
The borings were converted to wells with the installation of 6-inch diameter wire wrapped
PVC screen attached to Schedule 40 PVC well casing. The screen sections were attached
to the PVC casing using flush-threaded ends. Twenty feet of screen were installed at each
of the wells. The annular space between the outside of the screen and the borehole was
filled with fine filter sand. The sand was extended to approximately one foot above the top
of the screen. The remaining annular space above the screen was filled with bentonite
pellets.
3.0 AQUIFER TEST
Approximately 17 days after installation of recovery well B-1, the well was tested to
determine the relative hydraulic conductivity of the saturated landfill soils. The test,
commonly referred to as a "slug test", was performed by inserting a slug of known volume
into the well. The well was monitored as the water level returned to static conditions using
a pressure transducer. The slug was constructed from an 8-foot length of 4-inch PVC pipe.
The slug was sealed at both ends and weighted so that it would sink, displacing an
equivalent volume of water in the well.
The cap securing the top of the well was removed prior to testing and the well was allowed
to vent to the atmosphere for approximately one hour before the test was started. This
was to better assure that the initial test readings were indicative of static conditions. The
depth to the water table was measured from the top of the well casing using an electronic
water level indicator. A pressure transducer was installed in the well and attached to a
computer and data logger. The slug was suspended over the well using a tripod with hand
winch. The computer was programmed to begin recording pressure readings and the
PVC slug was lowered to bottom of the well using the hand winch. Water level readings
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Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
S&ME Project No. 1054-97-670
April 22, 1997
were obtained every two seconds for approximately 87 minutes. After this period of time
the water level in the well was approximately 1.1 feet above static level.
After recording the final value with the water level indicator, the test was terminated and
the data logger was initiated for a second test. The slug was winched out of the well and
the corresponding drop in water level was monitored by the data logger. Monitoring both
insertion and removal of the slug allowed calculations of hydraulic conductivity to be
performed for each condition. Manual measurements of water level with the water level
indicator were used to confirm the data logger values. After terminating the second test,
the slug and transducer were removed from the well, decontaminated, and removed from
the site.
4.0 DATA EVALUATION
Because the sandpack for B-1 is not completely submerged, i.e the water table falls within I the screened interval of the well, a rise in water level initially saturates the sand pack during
a "slug in" test. Because the filter pack is often more permeable than the formation
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materials, the initial values of the test can yield higher conductivity values. Performance
and analysis of a "slug out" test is usually recommended for wells with partially submerged
screen lengths. Analysis of the two tests from a single well provides a comparison
between the conductivity values calculated from each test.
The time and water level data (included in Appendix I) were downloaded from the data
logger into an Excel™ spread sheet program for numerical processing. Two files were
created, the first consisting of the data for the "slug in" test and the second set of data for
the "slug out" test. Both files contained the transducer values of depth of water overlying
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Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
S&ME Project No. 1054-97-670
April 22, 1997
the transducer (the transducer reads pressure or feet of water). Figure 1 in Appendix I
shows the depth of water over the transducer data for both tests. This data was converted
to equivalent measurement of "depth to the water level from the top of the well casing" by
using the initial value for the depth to water obtained with the water level indicator. Figure
2 in Appendix I shows the depth to water data for both tests measured from the top of
casing.
The depth to water vs. time data was imported into a series of Excel™ worksheets, the
Aquifer Test Toolbox (ATT) Version 2.0, designed by Creative Scientific Applications. The
A TT workbooks let the user modify and analyze data from aquifer tests. The data entry
forms and corresponding calculations of hydraulic conductivity along with displacement vs.
time graphs are included in Appendix I. The slug test data entry form allows entry of a
variety of units of measurement. Feet and minutes (data type 2) were selected for both
tests. The well was considered to be unconfined. The static water level (19.36 feet) was
measured from the top of the casing. The initial reading after insertion of the slug was
16.50 feet. The well was 30.5 feet deep. The intake soil column was calculated from the
borehole diameter, the screen diameter, and an assumed porosity value of 30 % for the
sandpack. The thickness of the aquifer was calculated to be 11.14 feet. This is the
saturated thickness of the landfill at the B-1 location.
The data were evaluated by the Hvorslev and Bouwer and Rice analytical methods.
Typically, the Hvorslev Method is used for confined aquifers where the screen is fully
submerged. When used for unconfined conditions, the method tends to over-estimate
hydraulic conductivity. It is useful in this application as a check of the Bouwer and Rice
method results. The Hvorslev Method has an additional entry for the type or shape factor
(well point geometry). The data were evaluated using test type number 6 which applies
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·1
Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
S&ME Project No. 1054-97-670
April 22, 1997
to a well point screen set at an impervious boundary. The output of the test was specified
in centimeters and seconds (7). The Bouwer and Rice Method used the same input data
with an additional value for the saturated aquifer thickness. Output was also specified in
centimeters and minutes.
5.0 RESULTS OF THE ANALYSES
Evaluation of the data suggests the saturated landfill soils have a hydraulic conductivity on
the order of 1 x1 o-s centimeters per second. The following table shows the hydraulic
conductivity values calculated for the slug in and slug out tests by each analytical method.
Table 1
Calculated Hydraulic Conductivity for Saturated Soil at Well 8-1
TEST METHODS
Hvorslev Method
Bouwer and Rice Method
SLUG IN TEST
4.80 x 10-5 cm/sec
2.35 x 10-5 cm/sec
SLUG OUT TEST
1.39 x 104 cm/sec
6.02 x 10-5 cm/sec
Saturated hydraulic conductivity was determined on four samples of saturated landfill soils
obtained from B-1 and B-2. Results of the laboratory tests are shown below for
comparison with the field tests.
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Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
Table 2
S&ME Project No. 1054-97-670
April 22, 1997
Laboratory Hydraulic Conductivity of Saturated Soils From 8-1 and 8-2
BORING SAMPLE NO. DEPTH (BGS) HYDRAULIC CONDUCTIVITY
B-1 ST-15 20.5' -22.5' 5.2 x 104 cm/sec
B-1 ST-16 22.5' -24.5' 2.9 x 10·3 cm/sec
B-2 ST-15 20.5' -22.5' 8.3 x 104 cm/sec
B-2 ST-16 22.5' -24.5' 4.8 x 104 cm/sec
SGS = Below Ground Surface
6.0 CONCLUSIONS
The field test data suggest that the saturated soil at the landfill have saturated hydraulic
conductivity value of approximately 1 x 10·5 cm/sec. These values are lower than
hydraulic conductivity values for the landfill soils determined in the laboratory by
approximately one order of magnitude. The field measurements tend to support field
observations made during drilling of the borings. Both borings were advanced to the
termination depth without free water accumulating in the augers. Split-spoon samples
collected as the boring was advanced also showed no free water. The split-spoon sampler
showed some moisture or dampness where soil was in contact with the inside surface of
the sampler after removal of the sample. Only after the borings penetrated the drainage
medium did free water accumulate in the augers. Soils typically associated with
conductivity values of 1 x 104 cm/sec are fine silty sands typical of Coastal Plain soils.
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Aquifer Tests on Recovery Well B-1
Warren County PCB Landfill
Warren County, North Carolina
S&ME Project No. 1054-97-670
April 22, 1997
These soils, when saturated, drain freely. The laboratory tests were performed by
trimming the tubes and permeating the soil while still in the tube. Slight leakage between
the edge of the soil and the inside of the tube could result in slightly higher conductivity
values .
The wells were not developed prior to testing as well development was outside the project
work scope and it was felt that since the well intersected the drainage medium, that further I development would "develop" the connection between the drainage blanket and the well
filter pack, possibly masking the lower permeability of the landfill materials. It is possible I that with continued development, conductivity values would be in the range of 1 x 10-4
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cm/sec.
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Aquifer Tests on Recovery Well 8-1
Warren County PCB Landfill
Warren County, North Carolina
REFERENCES:
S&ME Project No. 1054-97-670
April 22, 1997
Bouwer, H., 1989, The Bouwer and Rice Slug Test -An update: Groundwater, Volume 27,
Number 3, pp 304-309.
Creative Scientific Applications, 1995, The Aquifer Test Toolbox (For Microsoft Excel™
Version 5) Release Version 2.0, P.O. Box 92, Wellsville, PA 17365
GeoTesting Express, April 3, 1997, Geotechnical Test Results, Warren County PCB
Landfill, Afton N.C., prepared for S&ME, Inc.
S&ME, Inc., February 13, 1997, Work Plan for the Excavation Handling and Storage of
PCB Contaminated Soils from the Warren County PCB Landfill, Warren County, North
Carolina, submitted to the North Carolina Department Of Environment Health and Natural
Resources, Division of Waste Management, Raleigh N.C.
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-------------------... Cl) u ::::s 14 13 12 j 11 C e 1-... Cl) ~ 10 ... Cl) -~ FIGURE 1 Slug Test for Well B-1 -Transducer Readings ., . ,. ···•· :.· .. .::·:: .. ::: ::·: : .. , . ,. immediate > Water Level Rise ::!:" :::(.<:):;:-; :>:::-i}' };( __ :' : :_::: ····•· .. / Weter level orop ... ··••••• i as water flows out of well ~------------~--~ ~~·-~·~:'~~-·~·_:.-...-...:.....:.. .. -leveL ... • .. · • · -.··• ···-~--0 9 +-~~--__:_--.,-~__:_c-__:_,:=-,---,-__:_,....,.:::::___.,::-:..:~,-:_::___~::____j .. ___ ~ ___ ~_ -----~~---"---'----::___ ··--·-···--Cl) Cl) LL 8 -j• *~~+·-·.~ .. •h..,.;;,~,..p...,.+ ......... ,.--• •-·~.-·.-· -~• . : ;;)\t/:t<><:T: :::.< :.:-· . . lmrnediat~ w~t~r level . 7 i ··•··•· .. ..... .·•··· ··• .. : ... __ ·--____ _ drop as slug is removed ' .:·.: .:,:: .. 6 +·· •··•, ·~· ·.· .······,··· 0 20 40 60 80 100 120 Time in Minutes • I 7· .T --"---140 160 180 200 l ~ §~rie~1 I
-------------------23 22 -21 'Z 20 +---• ,. ,.,----~.--_----·-· -., ---~+-,~-G,) u. .5 r. Q. G.> 19 C FIGURE 2 Slug Test 8-1 -Depth From Top of Casing .. ·--·---·· -··-·--~--,.. __ --------. ·-----. -~ ·. -----------.. --<>oc><><>-<>o--~,~ :::. .::-;·· . 18 ~ ~~~~· ••.-Jill±•·' =~~ 17 16 -~---------,--0 20 40 60 80 100 120 140 160 Time in Minutes <> ~~i~~1 I 180 200
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SLUG TEST DATA ENTRY FORM
Client Name: N.C. Div.of Waste Mgmt. Well Number: B-1 ----Test Type: Slug In --=--------Project No.: 1054-97-670 Topo. Elev.: N/A ----Weather: Sunny/warm
P . N W Co PCB Landfill roJect ame: arren Anal . B WJB Lys1s 1y: D Started 3/7/97 ate
BASIC TEST DATA
Measurement Units (1-6): 2 16.4 ...... ············-•·---·"······
Unconfined(l)/Confined(2): 1 16.6 l .. ·················-·· ······· ... ·······-·····
l Well Depth -TOC (feet): 30.5 16.8 --'· Static W/L-Depth (ft.): 19.36 17 C:
Riser Pipe Diameter (feet): ~ ♦ 0.5 17.2 ,. ...... --·•· 0 .,
Initial Test Depth Value (ft.): 16.35 "C 17.4 ~ ····--····-··--···-· ~ ..
TOC Elevation (feet): NA (0 17.6 . c .
Intake/Soil Col. Diam. (feet): 0.689 17.8 . . .
Depth to Top of Pack (feet): 10.5 18 •---♦ I • Intake/Soil Col. Length (ft.): 20 18.2 . •--.
1 .
Saturat. Col. Thickness (ft.): 11.14 18.4
Casing Soil Length (if appl.): 8.5 0 20 40 60 80 100
Casing Stickup (feet): 1.5 Time Slug Volume (ft"3): 0.9
Thickness of Aquifer (feet): 11.14
AQUIFER RECOVERY DATA
Time (min) Depth (ft.) Time (min) Depth (ft.) Time (min) Depth (ft.) Time (min) Depth (ft.)
0.04 16.4955 4.37 16.842 65.14 18.084
0.1 16.504 4.57 16.8505 70.04 18.143
0.27 16.521 4.77 16.859 75.34 18.194
0.34 16.529 5.17 16.8755 80 18.2275
0.37 16.5375 5.34 16.884 86.94 18.278
0.5 16.5545 5.77 16.901
0.57 16.563 6 16.9095
0.67 16.58 6.27 16.918
0.74 16.597 6.67 16.935
0.87 16.6135 6.87 16.9435
0.94 16.622 7.04 16.9515
1.04 16.6305 8.24 16.9855
1.17 16.6475 10.04 17.0445
1.2 16.656 12.04 17.104
1.47 16.673 13.94 17.163
1.57 16.6815 16.17 17.222
1.64 16.69 18.14 17.273
1.87 16.7065 19.84 17.315
1.97 16.715 21.4 17.349
2.1 16.7235 23.24 17.391
2.3 16.7405 25.57 17.442
2.47 16.749 27.6 17.484
2.54 16.7575 30.07 17.5345
2.94 16.7745 36.37 17.6615
3.14 16.7825 40.3 17.7375
3.27 16.791 45.87 17.8305
3.67 16.808 51.7 17.915
3.8 16.8165 56.27 17.9825
4 16.825 60.04 18.025
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Hvorslev's Method for Calculating Hydraulic Conductivity
Project Name: Warren Co. PCB Landfill Project No.: 1054-97-670
Client Name: N.C. Div.of Waste Mgmt. Run Date: 3/7/97 --------Analysis By: WJB Identification: B-1
Test Type: 6 1 to 7
Riser Pipe Diameter: 0.5 feet 1 ◄~·············•·················.,-·········••···•··•························:
........ ································································•· -----Intake Diam.: 0.689 feet :::::::::::::::::: ............ :·········: :·::::::::::::::::::::::::::::::::::::::::::!
Intake Length: 20 feet ........................................... ~·o-~Tlgl••···········/
Water Table Depth: 19.36 feet 0 0.3, ·-·-·-· : . : ~ ·········································'···•···················:··················j Line Fit Starting No.: 35 Min 1 to
Line Fit Ending No.: 50 Max 63 I
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I Entrapped Air Correct.: N Y or N
Specify Output Units: 7 1 to 9 0. 1 4-_._ ..... __.____...___+--.J.-_,_ ......... __,,--t,
100 Hyd Cond, K(h): 4.80E-05 cm./sec. 0 50
Basic Time Lag: 78.58 min. Time
Error ofFit: 0.0002
Meas. Time
minutes
Field Meas. Drawdown/up Line Fit To Regression To
No. feet feet LN(Hi/H-HO) LN(Hi/H-HO)
l) 0.04 16.50 2.86 0.1526 0.0689
2) 0.10 16.50 2.86 0.1497 0.0682
3) 0.27 16.52 2.84 0.1437 0.0660
4) 0.34 16.53 2.83 0.1409 0.0651
5) 0.37 16.54 2.82 0.1379 0.0648
6 ) 0.50 16.55 2.81 0.1318 0.0631
7) 0.57 16.56 2.80 0.1288 0.0622
8) 0.67 16.58 2.78 0.1227 0.0609
9 ) 0.74 16.60 2.76 0.1166 0.0601
10) 0.87 16.61 2.75 0.1106 0.0584
11) 0.94 16.62 2.74 0.1075 0.0575
12) 1.04 16.63 2.73 0.1044 0.0563
13) 1.17 16.65 2.71 0.0981 0.0546
14) 1.20 16.66 2.70 0.0950 0.0542
15 ) 1.47 16.67 2.69 0.0887 0.0508
16) 1.57 16.68 2.68 0.0855 0.0495
17) 1.64 16.69 2.67 0.0823 0.0486
18) 1.87 16.71 2.65 0.0761 0.0457
19) 1.97 16.72 2.65 0.0729 0.0445
20) 2.10 16.72 2.64 0.0697 0.0428
21) 2.30 16.74 2.62 0.0632 0.0403
22) 2.47 16.75 2.61 0.0600 0.0381
23 ) 2.54 16.76 2.60 0.0567 0.0372
24) 2.94 16.77 2.59 0.0502 0.0322
25) 3.14 16.78 2.58 0.0471 0.0296 ·1------'-+------+-----+-------+--------+----------t
26) 3.27 16.79 2.57 0.0438 0.0280
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3.67 16.81
3.80 16.82
4.00 16.83
4.37 16.84
4.57 16.85
4.77 16.86
5.17 16.88
5.34 16.88
5.77 16.90
6.00 16.91
6.27 16.92
6.67 16.94
6.87 16.94
7.04 16.95
8.24 16.99
10.04 17.04
12.04 17.10
13.94 17.16
16.17 17.22
18.14 17.27
19.84 17.32
21.40 17.35
23 .24 17.39
25.57 17.44
27.60 17.48
30.07 17.53
36.37 17.66
40.30 17.74
45 .87 17.83
51.70 17.92
56.27 17.98
60.04 18.03
65.14 18.08
70.04 18.14
75.34 18.19
80.00 18.23
86.94 18.28
2.55 0.0371 0.0229
2.54 0.0338 0.0213
2.54 0.0304 0.0187
2.52 0.0237 0.0140
2.51 0.0203 0.0115
2.50 0.0169 0.0090
2.48 0.0103 0.0039
2.48 0.0069 0.0017
2.46 0.0000 -0.0037
2.45 -0.0035 -0.0066
2.44 -0.0069 -0.0101
2.43 -0.0139 -0.0151
2.42 -0 .0174 -0.0177
2.41 -0.0208 -0.0198
2.37 -0.0350 -0.0350
2.32 -0.0601 -0.0579
2.26 -0.0862 -0.0832
2.20 -0.1127 -0.1073
2.14 -0.1399 -0.1356
2.09 -0.1640 -0.1606
2.05 -0.1844 -0.1821
2.01 -0.2011 -0.2019
1.97 -0.2222 -0.2252
1.92 -0.2485 -0.2548
1.88 -0.2706 -0.2805
1.83 -0.2979 -0.3118
1.70 -0.3700 -0.3917
1.62 -0.4158 -0.4415
1.53 -0.4748 -0.5121
1.45 -0.5316 -0.5861
1.38 -0.5795 -0.6440
1.34 -0.6108 -0.6918
1.28 -0.6560 -0.7565
1.22 -0.7034 -0.8186
1.17 -0.7462 -0.8858
1.13 -0.7753 -0.9449
1.08 -0.8209 -1.0329
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Bouwer & Rice Method for Calculating Hydraulic Conductivity
Project Name: Warren Co. PCB Landfill Project No.: 1054-97-670
Client Name: N.C. Div.of Waste Mgmt. Identification: B-1
Analysis By: WJB ------------Run Date:
Riser Pipe Diameter: 0.5 feet ~.:::::::::::::::::::::::::::::::::· ::::::::::::::::::::::::::::::::::::1 ····-··································································•'
Intake Diameter: 0.698 feet , .................................... : .................................. ..!
10 ••·••·····························-·····································
Intake Length: 20 feet ...... ............ : .................................... \
0 _.: .., ... .a. .a. --A i
Saturated Column Length: 11.14 feet ::c: 1 :::::::::::::::::::::::::::::::::::: .-:::::::::::'.:::::::• .............. ::::::1 --::c: ··•-·······························.················•···················:
Water Table Depth: 19.36 feet ··································-.··················· ..... '
•···································: .................................... :
Aquifer Thickness: 11.14 feet i j Line Fit Starting No.: 30 Min 1 to 0.1 Line Fit Ending No.: 62 Max63 0 50 100 Specify Output Units: 7 1 to 9
Hyd. Cond., K(h): 2.35E-05 cm./sec. Time
Error of Pit: 0.011
Meas. Time Field Meas. Drawdown/up Line Fit To Regression On
# minutes feet feet LN(Yt) LN(Yt)
1) 0.04 16.50 2.86 1.052 0.949
2) 0.10 16.50 2.86 1.049 0.948
3) 0.27 16.52 2.84 1.043 0.946
4) 0.34 16.53 2.83 1.041 0.946
5) 0.37 16.54 2.82 1.038 0.945
6) 0.50 16.55 2.81 1.032 0.944
7) 0.57 16.56 2.80 1.029 0.943
8) 0.67 16.58 2.78 1.022 0.942
9) 0.74 16.60 2.76 1.016 0.941
10) 0.87 16.61 2.75 1.010 0.940
11) 0.94 16.62 2.74 1.007 0.939
12) 1.04 16.63 2.73 1.004 0.938
13) 1.17 16.65 2.71 0.998 0.937
14) 1.20 16.66 2.70 0.995 0.936
15) 1.47 16.67 2.69 0.988 0.933
16) 1.57 16.68 2.68 0.985 0.932
17) 1.64 16.69 2.67 0.982 0.932
18) 1.87 16.71 2.65 0.976 0.929
19) 1.97 16.72 2.65 0.973 0.928
20) 2.10 16.72 2.64 0.969 0.926
21) 2.30 16.74 2.62 0.963 0.924
22) 2.47 16.75 2.61 0.960 0.922
23) 2.54 16.76 2.60 0.956 0.922
24) 2.94 16.77 2.59 0.950 0.917
25) 3.14 16.78 2.58 0.947 0.915
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3.27
3.67
3.80
4.00
4.37
4.57
4.77
5.17
5.34
5.77
6.00
6.27
6.67
6.87
7.04
8.24
10.04
12.04
13.94
16.17
18.14
19.84
21.40
23.24
25.57
27.60
30.07
36.37
40.30
45.87
51.70
56.27
60.04
65.14
70.04
75.34
80.00
86.94
16.79
16.81
16.82
16.83
16.84
16.85
16.86
16.88
16.88
16.90
16.91
16.92
16.94
16.94
16.95
16.99
17.04
17.10
17.16
17.22
17.27
17.32
17.35
17.39
17.44
17.48
17.53
17.66
17.74
17.83
17.92
17.98
18.03
18.08
18.14
18.19
18.23
18.28
2.57 0.944 0.914
2.55 0.937 0.909
2.54 0.934 0.908
2.54 0.930 0.906
2.52 0.923 0.902
2.51 0.920 0.899
2.50 0.917 0.897
2.48 0.910 0.893
2.48 0.907 0.891
2.46 0.900 0.886
2.45 0.896 0.884
2.44 0.893 0.881
2.43 0.886 0.877
2.42 0.882 0.874
2.41 0.879 0.872
2.37 0.865 0.859
2.32 0.840 0.840
2.26 0.814 0.818
2.20 0.787 0.797
2.14 0.760 0.773
2.09 0.736 0.751
2.05 0.715 0.733
2.01 0.699 0.716
1.97 0.678 0.695
1.92 0.651 0.670
1.88 0.629 0.648
1.83 0.602 0.621
1.70 0.530 0.552
1.62 0.484 0.509
1.53 0.425 0.448
1.45 0.368 0.384
1.38 0.320 0.335
1.34 0.289 0.293
1.28 0.244 0.238
1.22 0.196 0.184
1.17 0.154 0.126
1.13 0.124 0.075
1.08 0.079 -0.001
----0 J: i 10 --- -···1 ! : .... ~--.............. . ·············---············· -- --- - - -Bouwer & Rice MainChart 0.1 -------------------------+-----------0 10 20 30 40 50 Time 60 70 80 90 100 -- -
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Calculator for Finding Effective Well Radius (re)
This worksheet calculates the effective radius of the well casing/bore over which water level
changes occur during the test. Effective radius should be used if the water level during the
test is within the screened length of the well, and the hydraulic conductivity (K) of the pack
material or the zone of development is significantly greater than the aquifer conductivity.
Otherwise the radius of the well casing/bore or the open hole radius should be used. Use the
calculated effective radius as the input (multiplied by 2 for diameter) for the Intake/Soil
Column Diameter entry found on the Data Entry sheet.
Data Entry
Actual inside screen radius (ri): 2.S00E-01
Radius of well bore or pack (r0): 5.000E-01
Porosity of pack material or
the developed zone (n): 3.000E-01 -------
Calculated Result
Effective radius (re): 3.446E-01 -------
Effective diameter: 6.892E-01
(Use any consistent units for input.)
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I Warren County PCB Landfill
Field Data For
"Slug In" Test in Well B-1
S/N SDEE-03A-SN-3521 Block 1 I Program: INTERVAL Time Chnl 1 Time Chnl 1
Readings: 2714 8.00 12.68 21.17 12.30
I Start Time: 13:04:39 8.20 12.67 21.53 12.29
Start Date: 03/07 8.37 12.67 21.90 12.29
Range: 0015 PSI 8.93 12.65 22.30 12.28
I Channels: 1 9.17 12.64 22.73 12.27
Units: Ft-H2O 9.57 12.63 23.03 12.26
9.83 12.62 23.60 12.25
I Interval: 00:00:02 10.03 12.61 23.80 12.24
10.30 12.61 24.57 12.23
Time Chnl 1 Time Chnl 1 10.80 12.59 24.97 12.22
0.00 10.26 2.90 12.94 11 .10 12.58 25.23 12.21 I 0.60 10.28 2.97 12.93 11.37 12.57 25.67 12.20
0.77 10.38 3.07 12.92 11.63 12.56 26.20 12.19
0.90 11.52 3.20 12.91 12.00 12.56 26.50 12.18
I 1.03 12.32 3.30 12.90 12.27 12.55 26.90 12.18
1.17 12.90 3.43 12.89 12.43 12.54 27.30 12.17
1.30 13.10 3.53 12.89 12.80 12.53 28.17 12.15
I 1.33 13.11 3.63 12.88 13.07 12.52 28.53 12.14
1.37 13.12 3.80 12.87 13.37 12.51 28.93 12.13
1.43 13.11 3.87 12.86 13.70 12.51 29.30 12.12
I 1.53 13.10 3.97 12.85 14.03 12.50 29.67 12.12
1.60 13.10 4.03 12.84 14.33 12.49 30.13 12.11
1.67 13.09 4.23 12.85 14.60 12.48 30.43 12.10
1.70 13.08 4.27 12.84 14.77 12.47 31.40 12.08 I 1.77 13.07 4.47 12.83 15.03 12.46 31.80 12.07
1.83 13.06 4.60 12.83 15.27 12.45 32.23 12.07
1.90 13.05 4.73 12.82 15.60 12.45 32.63 12.06
I 1.93 13.05 5.00 12.81 15.87 12.44 33.17 12.05
2.00 13.04 5.13 12.80 16.07 12.43 33.53 12.04
2.07 13.02 5.33 12.79 16.50 12.42 34.00 12.03
I 2.17 13.01 5.50 12.78 16.80 12.41 34.73 12.01
2.20 13.00 5.70 12.78 17.13 12.40 34.93 12.01
2.23 13.01 5.90 12.77 17.50 12.40 35.70 12.00
I 2.27 13.00 6.10 12.76 17.77 12.39 35.93 11.99
2.30 13.00 6.30 12.75 18.10 12.38 36.40 11.98
2.33 13.00 6.50 12.74 18.47 12.37 36.43 11.99
2.37 12.99 6.67 12.73 18.83 12.36 36.47 11 .99 I 2.47 12.98 6.83 12.72 19.13 12.35 36.50 11 .98
2.50 12.97 7.10 12.72 19.47 12.34 37.10 11 .97
2.53 12.96 7.33 12.71 19.77 12.34 37.70 11 .96
I 2.57 12.97 7.37 12.71 20.13 12.33 38.07 11 .95
2.63 12.96 7.60 12.70 20.50 12.32 38.63 11.94
2.80 12.94 7.80 12.69 20.80 12.31 39.17 11.93
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I Warren County PCB Landfill
Field Data For I "Slug In" Test in Well B-1
S/N SDEE-03A-SN-3521 Block 1
I Program: INTERVAL
Readings: 2714
Start Time: 13:04:39
I Start Date: 03/07
Range: 0015 PSI
Channels: 1
I Units: Ft-H2O
Interval: 00:00:02
I Time Chnl 1 Time Chnl 1
39.60 11 .92 58.60 11.63
40.03 11 .91 59.13 11.62
I 40.27 11.91 59.80 11.61
40.43 11.90 60.60 11.60
40.70 11.89 61.37 11.59
I 40.73 11.90 62.77 11.58
41 .63 11.88 63.47 11.57
42.13 11.87 64.17 11.56
I 42.63 11.86 65.80 11.54
43.07 11 .86 66.47 11.53
43.13 11.85 67.27 11.52
43.60 11 .85 68.43 11.51
I 44.07 11.84 69.43 11 .50
44.47 11.83 69.80 11.49
45.00 11.82 71.37 11.47
I 46.03 11.80 72.13 11.47
46.77 11.80 73.10 11.46
47.20 11 .79 73.33 11.45
I 47.60 11.78 75.63 11 .43
48.13 11.77 76.67 11.42
48.87 11.76 77.57 11.41
49.97 11.74 78.50 11.40 I 50.63 11.74 81.33 11.39
51 .10 11.73 81.37 11.38
51 .57 11.72 84.90 11.36 I 53.03 11 .70 86.13 11 .36
53.53 11.69 88.27 11 .34
53.90 11.69
I 54.13 11.68
54.93 11.67
55.43 11 .66
I 56.20 11.65
57.60 11 .63
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SLUG TEST DATA ENTRY FORM
Client Name: N.C. Div.of Waste Mgmt.
Project No.: 1054-97-670
Well Number: B-1 Test Type: Slug out -----,,---'=---,-------To po. Elev.: NIA Weather: Sunny/warm
P . N W C PCB dfil1 roJect ame: arren 0. Lan 1ys1s 1y: ate tarte : Anal . B .,,..w=ra=----D S d 3/7 /97
BASIC TEST DATA
Measurement Units (1-6): 2 18.5 ,..,···-··········· ················-······· .• •·•••··y
Uncon:fined(l)/Con:fined(2): 1 j -··-·-· . 19 -...... ······:.:::::♦-• ... ·•·· .. , .. , ......................... •m••-•••••••••·•• •
Well Depth -TOC (feet): 30.5 ♦-♦-
Static W/L-Depth (ft.): 18.32 19.5 ~--C Riser Pipe Diameter (feet): 0.5 :: 20
Initial Test Depth Value (ft.): 21.51 0 "O 20.5 , .......
TOC Elevation (feet): NIA :: ro 21 a ...................... _, ___________
Intake/Soil Col. Diam. (feet): 0.689
Depth to Top of Pack (feet): 10.5 21.5 -------· ···············• j
Intake/Soil Col. Length (ft.): 20 22
.. Saturat. Col. Thickness (ft.): 11.14 22.5 Casing Soil Length (if appl.): 8.5 0 20 40 60 80 100 Casing Stickup (feet): 1.5
Slug Volume (ft"3): 0.9 Time
Thickness of Aquifer (feet): 11.14
AQUIFER RECOVERY DATA
Time (min) Depth (ft.) Time (min) Depth (ft.) Time (min) Depth (ft.) Time (min) Depth (ft.)
0.03 22.096 1 20.44 51.5 18.995
0.06 22.0705 1.26 20.372 55.76 18.9695
0.1 21.8595 1.5 20.3215 61.73 18.936
0.13 21.7325 1.76 20.271 63.9 18.9275
0.16 21.606 2.03 20.2285 70.03 18.902
0.2 21.496 2.26 20.195 76.7 18.8765
0.23 21.386 2.53 20.161 83.03 18.86
0.26 21.2765 2.73 20.1355
0.3 21.1665 3 20.1105
0.33 21.0565 3.5 20.0595
0.36 20.9635 4.03 20.0175
0.4 20.879 4.46 19.9835
0.43 20.7355 4.96 19.95
0.46 20.6425 5.53 19.916
0.5 20.6935 5.96 19.8905
0.53 20.685 6.96 19.8315
0.56 20.6595 8 19.781
0.6 20.634 9.06 19.73
0.63 20.609 10.03 19.688
0.66 20.592 11 19.6455
0.7 20.5665 12.03 19.6035
0.73 20.558 13 19.5695
0.76 20.533 14.1 19.5355
0.8 20.516 15.03 19.5105
0.83 20.5075 20 19.3835
0.86 20.4905 25.23 19.274
0.9 20.4735 30.8 19.1895
0.93 20.465 40 19.088
0.96 20.4485 45.46 19.037
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Hvorslev's Method for Calculating Hydraulic Conductivity
Project Name: Warren Co. PCB Landfill Project No.: 1054-97-670
Client Name: N.C. Div.of Waste Mgmt. Run Date: 3/7/97 --------An al y sis By: WJB Identification: B-1
Test Type: 6 1 to 7
Riser Pipe Diameter: 0. 5 feet -----Intake Diam.: 0.689 feet
Intake Length: 20 feet
Water Table Depth: 18.32 feet
Line Fit Starting No.: 30 Min 1 to
Line Fit Ending No.: 55 Max 65
Entrapped Air Correct.: N Y or N
Specify Output Units: 7 1 to 9
Hyd Cond, K(h): l.39E-04 cm./sec.
Basic Time Lag: 27.10 min.
Error of Fit: 0.0505
1 1 . . ··············-····················----··.···········································:
-----
············· . .T(o~··············'···········•····························...\
o 0,3j ·-·-·-·-·-· O <> o i i ~ ······················: ... ············r ~··«>··o···o·--o·········::::J
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I i i 0. 1 4----'---'--!..,L--''--+--.......,,....,_ .__~_.__---t
0 50 100
Time
Meas.
No.
Time
minutes
Field Meas.
feet
Drawdown/up
feet
Line Fit To
LN(Hi/H-HO)
Regression To
LN(Hi/H-HO)
1 ) 0.03 22.10 3.78 0.5772 -0.0665
2) 0.06 22.07 3.75 0.5705 -0.0675
3) 0.10 21.86 3.54 0.5126 -0.0688
4) 0.13 21.73 3.41 0.4760 -0.0698
5) 0.16 21.61 3.29 0.4383 -0.0708
6) 0.20 21.50 3.18 0.4042 -0.0721
7) 0.23 21.39 3.07 0.3690 -0.0731
8) 0.26 21.28 2.96 0.3326 -0.0741
9) 0.30 21.17 2.85 0.2947 -0.0755
10) 0.33 21.06 2.74 0.2553 -0.0765
11) 0.36 20.96 2.64 0.2207 -0.0775
12) 0.40 20.88 2.56 0.1882 -0.0788
13) 0.43 20.74 2.42 0.1305 -0.0798
14) 0.46 20.64 2.32 0.0912 -0.0808
15) 0.50 20.69 2.37 0.1129 -0.0821
16) 0.53 20.69 2.37 0.1094 -0.0831
17) 0.56 20.66 2.34 0.0985 -0.0841
18) 0.60 20.63 2.31 0.0876 -0.0854
19) 0.63 20.61 2.29 0.0767 -0.0864
20) 0.66 20.59 2.27 0.0692 -0.0874
21) 0.70 20.57 2.25 0.0580 -0.0888
22) 0.73 20.56 2.24 0.0542 -0.0898
23) 0.76 20.53 2.21 0.0429 -0.0908
24) 0.80 20.52 2.20 0.0352 -0.0921
25) 0.83 20.51 2.19 0.0313 -0.0931
26) 0.86 20.49 2.17 0.0235 -0.0941
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27)
28)
29)
30)
31)
32)
33)
34)
35)
36)
37)
38)
39)
40)
41)
42)
43)
44)
45)
46)
47)
48)
49)
50)
51)
52)
53)
54)
55)
56)
57)
58)
59)
60)
61)
62)
63)
64)
65)
0.90
0.93
0.96
1.00
1.26
1.50
1.76
2.03
2.26
2.53
2.73
3.00
3.50
4.03
4.46
4.96
5.53
5.96
6.96
8.00
9.06
10.03
11.00
12.03
13.00
14.10
15.03
20.00
25.23
30.80
40.00
45.46
51.50
55.76
61.73
63.90
70.03
76.70
83.03
20.47
20.47
20.45
20.44
20.37
20.32
20.27
20.23
20.20
20.16
20.14
20.11
20.06
20.02
19.98
19.95
19.92
19.89
19.83
19.78
19.73
19.69
19.65
19.60
19.57
19.54
19.51
19.38
19.27
19.19
19.09
19.04
19.00
18.97
18.94
18.93
18.90
18.88
18.86
2.15 0.0157 -0.0954
2.15 0.0117 -0.0964
2.13 0.0040 -0.0974
2.12 0.0000 -0.0987
2.05 -0.0326 -0.1074
2.00 -0.0575 -0.1154
1.95 -0.0831 -0.1240
1.91 -0.1051 -0.1330
1.88 -0.1228 -0.1407
1.84 -0.1411 -0.1496
1.82 -0.1551 -0.1563
1.79 -0.1689 -0.1653
1.74 -0.1978 -0.1819
1.70 -0.2223 -0.1995
1.66 -0.2425 -0.2138
1.63 -0.2628 -0.2305
1.60 -0.2839 -0.2494
1.57 -0.3000 -0.2637
1.51 -0.3383 -0.2970
1.46 -0.3723 -0.3316
1.41 -0.4078 -0.3668
1.37 -0.4381 -0.3991
1.33 -0.4696 -0.4314
1.28 -0.5018 -0.4656
1.25 -0.5287 -0.4979
1.22 -0.5563 -0.5345
1.19 -0.5770 -0.5654
1.06 -0.6899 -0.7307
0.95 -0.7985 -0.9047
0.87 -0.8913 -1.0899
0.77 -1.0154 -1.3959
0.72 -1.0841 -1.5775
0.68 -1.1445 -1.7784
0.65 -1.1830 -1.9201
0.62 -1.2359 -2.1187
0.61 -1.2498 -2.1908
0.58 -1.2927 -2.3947
0.56 -1.3375 -2.6166
0.54 -1.3676 -2.8271
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Bouwer & Rice Method for Calculating Hydraulic Conductivity
Project Name: Warren Co. PCB Landfill Project No.: 1054-97-670
Client Name: N.C. Div.of Waste Mgmt. Identification: B-1
Analysis By: WJB
Run Date: 3/7/97 10 ................................................................................
···································-·'··········•·••·········-············•·i
Riser Pipe Diameter: feet
..... -. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' ..................... -................ ~
0.5 ·············--··-···················,·•·················--···············-·, ·····································'··················-··················-·
Intake Diameter: 0.689 feet ................ -.. -······· .......... ;--·····•· ... ········-···--······· .... --~
···••·-···························-··:·······-·-·····-··-.-····-······-·····:
Intake Length: 20 feet 0
.................................. :·····································1
Saturated Column Length: 11.14 feet ::c: 1 ~li\l::::::li\11\:::::::::~~:?~\~ii(~:~\~\\\:\\\\) :c Water Table Depth: 18.32 feet ···················•·················-· ···························•·-···· Aquifer Thickness: 11.14 feet ................................................. ..........................
Line Fit Starting No.: 40 Min 1 to ·····································-·····················
Line Fit Ending No.: 55 Max65 0.1
Specify Output Units: 7 1 to 9 0 50 100
Hyd. Cond., K(h): 6.02E-05 cm./sec. Time
Error of Fit: 0.007
Meas. Time Field Meas. Drawdown/up Line Fit To Regression On
# minutes feet feet LN(Yt) LN(Yt)
1) 0.03 22.10 3.78 1.329 0.608
2) 0.06 22.07 3.75 1.322 0.607
3) 0.10 21.86 3.54 1.264 0.606
4) 0.13 21.73 3.41 1.227 0.605
5) 0.16 21.61 3.29 1.190 0.605
6) 0.20 21.50 3.18 1.156 0.603
7) 0.23 21.39 3.07 1.120 0.603
8) 0.26 21.28 2.96 1.084 0.602
9) 0.30 21.17 2.85 1.046 0.601
10) 0.33 21.06 2.74 1.007 0.600
11) 0.36 20.96 2.64 0.972 0.599
12) 0.40 20.88 2.56 0.940 0.598
13) 0.43 20.74 2.42 0.882 0.597
14) 0.46 20.64 2.32 0.843 0.596
15) 0.50 20.69 2.37 0.864 0.595
16) 0.53 20.69 2.37 0.861 0.594
17) 0.56 20.66 2.34 0.850 0.593
18) 0.60 20.63 2.31 0.839 0.592
19) 0.63 20.61 2.29 0.828 0.592
20) 0.66 20.59 2.27 0.821 0.591
21) 0.70 20.57 2.25 0.809 0.590
22) 0.73 20.56 2.24 0.806 0.589
23) 0.76 20.53 2.21 0.794 0.588
24) 0.80 20.52 2.20 0.787 0.587
25) 0.83 20.51 2.19 0.783 0.586
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26)
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0.86 20.49
0.90 20.47
0.93 20.47
0.96 20.45
1.00 20.44
1.26 20.37
1.50 20.32
1.76 20.27
2.03 20.23
2.26 20.20
2.53 20.16
2.73 20.14
3.00 20.11
3.50 20.06
4.03 20.02
4.46 19.98
4.96 19.95
5.53 19.92
5.96 19.89
6.96 19.83
8.00 19.78
9.06 19.73
10.03 19.69
11.00 19.65
12.03 19.60
13.00 19.57
14.10 19.54
15.03 19.51
20.00 19.38
25.23 19.27
30.80 19.19
40.00 19.09
45.46 19.04
51.50 19.00
55.76 18.97
61.73 18.94
63.90 18.93
70.03 18.90
76.70 18.88
83.03 18.86
2.17 0.775 0.585
2.15 0.767 0.584
2.15 0.763 0.583
2.13 0.755 0.582
2.12 0.751 0.581
2.05 0.719 0.574
2.00 0.694 0.567
1.95 0.668 0.560
1.91 0.646 0.553
1.88 0.629 0.546
1.84 0.610 0.539
1.82 0.596 0.533
1.79 0.582 0.526
1.74 0.554 0.512
1.70 0.529 0.497
1.66 0.509 0.485
1.63 0.489 0.471
1.60 0.468 0.455
1.57 0.451 0.443
1.51 0.413 0.415
1.46 0.379 0.386
1.41 0.344 0.357
1.37 0.313 0.330
1.33 0.282 0.303
1.28 0.250 0.274
1.25 0.223 0.247
1.22 0.195 0.217
1.19 0.174 0.191
1.06 0.062 0.053
0.95 -0.047 -0.093
0.87 -0.140 -0.248
0.77 -0.264 -0.504
0.72 -0.333 -0.656
0.68 -0.393 -0.824
0.65 -0.432 -0.942
0.62 -0.485 -1.108
0.61 -0.498 -1.169
0.58 -0.541 -1.339
0.56 -0.586 -1.525
0.54 -0.616 -1.701
-- ----- -- ------- - --Bouwer & Rice MainChart . ••••...... i 0 ~ :c 0.1 ------------------------------------0 10 20 30 40 50 60 70 80 90 Time Page 1
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I Warren County PCB Landfill
Field Data For
"Slug Out" Test -Well B-1
S/N SDEE-03A-SN-3521 Block 1
I Program: INTERVAL Time Chnl 1 Time Chnl 1
Readings: 2547 2.7 9.4125 6.37 9.725
I Start Time: 14:37:40 2.77 9.421 6.4 9.725
Start Date: 03/07 2.83 9.429 6.43 9.725
Range: 0015 PSI 2.9 9.4375 6.47 9.725
I Channels: 1 2.97 9.446 6.53 9.7335
Units: Ft-H2O 3.03 9.4545 6.6 9.742
3.1 9.463 6.73 9.7505
loterval: 00:00:02 3.17 9.4715 6.9 9.7585 I 3.23 9.48 7.07 9.767
Time Chnl 1 Time Chnl 1 3.3 9.4885 7.23 9.7755
0 11.305 1.47 9.1505 3.4 9.497 7.37 9.784
I 0.4 11.229 1.5 9.159 3.5 9.505 7.53 9.7925
0.43 11.102 1.53 9.1755 3.57 9.5135 7.67 9.801
0.47 10.764 1.57 9.184 3.67 9.522 7.87 9.8095
I 0.5 10.3415 1.6 9.1925 3.7 9.5305 8.03 9.818
0.53 9.3445 1.63 9.1925 3.8 9.539 8.23 9.8265
0.57 8.4155 1.67 9.201 3.87 9.5475 8.43 9.835
I 0.6 7.528 1.7 9.218 4 9.556 8.57 9.843
0.63 7.5535 1.73 9.2265 4.07 9.5645 8.73 9.8515
0.67 7.7645 1.77 9.235 4.2 9.573 8.97 9.86
0.7 7.8915 1.8 9.2435 4.27 9.5815 9.1 9.8685 I 0.73 8.018 1.83 9.252 4.37 9.5895 9.37 9.877
0.77 8.128 1.87 9.26 4.5 9.598 9.47 9.8855
0.8 8.238 1.9 9.2685 4.6 9.6065 9.63 9.894
I 0.83 8.3475 1.93 9.277 4.7 9.615 9.83 9.9025
0.87 8.4575 1.97 9.2855 4.83 9.6235 10.07 9.911
0.9 8.5675 2 9.294 4.97 9.632 10.2 9.9195
I 0.93 8.6605 2.03 9.294 5.03 9.6405 10.4 9.9275
0.97 8.745 2.07 9.3025 5.2 9.649 10.6 9.936
1 8.8885 2.1 9.311 5.3 9.6575 10.8 9.9445
I 1.03 8.9815 2.13 9.3195 5.43 9.666 10.97 9.953
1.07 8.9305 2.17 9.3195 5.53 9.674 11.17 9.9615
1.1 8.939 2.2 9.328 5.67 9.6825 11.33 9.9615
1.13 8.9645 2.23 9.3365 5.8 9.691 11.37 9.97 I 1.17 8.99 2.27 9.3365 5.93 9.6995 11.57 9.9785
1.2 9.015 2.3 9.3445 6.1 9.708 11.97 9.9955
1.23 9.032 2.33 9.353 6.13 9.708 12.17 10.004
I 1.27 9.0575 2.37 9.3615 6.17 9.708 12.4 10.012
1.3 9.066 2.43 9.37 6.2 9.7165 12.6 10.0205
1.33 9.091 2.5 9.3785 6.23 9.7165 12.87 10.029
I 1.37 9.108 2.53 9.387 6.27 9.7165 13.37 10.046
1.4 9.1165 2.6 9.3955 6.3 9.7165 13.57 10.0545
1.43 9.1335 2.67 9.404 6.33 9.7165 13.83 10.063
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I Warren County PCB Landfill
Field Data For I "Slug Out" Test in Well B-1
S/N SDEE-03A-SN-3521 Block 1
I Program: INTERVAL
Readings: 2547
Start Time: 14:37:40
I Start Date: 03/07
Range: 0015 PSI
Channels: 1
I Units: Ft-H2O
Interval: 00:00:02
I Time Chnl 1 Time Chnl 1
14.13 10.0715 28.93 10.401
14.4 10.08 29.63 10.4095
I 14.67 10.0885 30.1 10.418
15.1 10.0965 31 .37 10.4345
15.6 10.1135 32.03 10.443
I 15.93 10.122 32.67 10.4515
16.33 10.1305 33.43 10.46
16.6 10.139 34.7 10.477
I 16.9 10.1475 35.53 10.4855
17.2 10.156 36.07 10.494
17.5 10.1645 37.03 10.5025
18.13 10.181 38.7 10.519 I 18.5 10.1895 39.63 10.5275
18.9 10.198 40.57 10.536
19.23 10.2065 41 .5 10.5445
I 19.53 10.215 43 10.5615
20.2 10.232 44 10.57
20.57 10.2405 45.07 10.5785
I 20.9 10.249 46.03 10.587
21 .2 10.257 48.4 10.6035
21.63 10.2655 49.7 10.612
I 22 10.274 52.07 10.629
22.8 10.291 56.33 10.6545
23.63 10.308 57.9 10.663
24.07 10.3165 59.43 10.6715 I 24.37 10.325 62.3 10.688
24.73 10.3335 64.47 10.6965
25.8 10.35 68.3 10.7135
I 26.33 10.3585 70.6 10.722
26.77 10.367 75.2 10.739
26.8 10.367 77.27 10.7475
I 28.23 10.384 83.6 10.764
28.4 10.3925
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