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<br /> Project No.S8100-06-1 IC
<br /> December 17,1996
<br /> Page 3 of 4
<br /> TABLE 3
<br /> CUMULATIVE SUMMARY OF GROUNDWATER MONITORING DATA AND ANALYTICAL RESULTS
<br /> CALTRANS STOCKTON YARD MAINTENANCE FACILITY
<br /> STOCKTON,CALIFORNIA
<br /> DEPTH TO TOC GROUNDWATER
<br /> GROUNDWATER ELEVATION ELEVATION TPHg TPHd B T E X MTBE SAMPLED
<br /> WELL ID DATE (feet) (MSL) (MSL) (Pgl) (µ911) (FigA) ({igA) (µ8A) (I►Bn) (Ng/1) BY
<br /> MW-8dup 2/5196 62.68 21.48 -41.20 290 <50 4.4 <0.3 <0.3 <0.3 81 Geocon
<br /> MW-8 4/11/96 61.17 21.48 -39.69 - -- - --- -- - --- Geocon
<br /> MW-8 4122/96 60.84 c 21.48 -39.36 300 80 13 <0.5 <0.5 <0.5 4.8 Geocon
<br /> MW-8 7/1/96 59.69 21.48 -38.21 100 60 0.5 <0.5 <0.5 <0.5 0.6 Geocon � 1
<br /> MW-8dup 7/1/96 59.69 21.48 -38.21 100 60 0.5 <0.5 <0.5 <0.5 0.6 Geocon
<br /> MW-8 10/22/96 60.09 21.48 -38.61 300 110 12 <0.5 <0.5 <0.5 5.4 Geocon
<br /> VW-I 5/2/95 64.40 21.73 -42.67 - - -- -- -- --- --- Geocon
<br /> VW-1 6/6195 63.83 21.73 -42.10 28,000 600 5,300 2,500 300 2,000 - Geocon
<br /> VW-1 2/61% 62.96 21.73 -41.23 10,000 <50 1,700 1,300 860 960 <50 Geocon
<br /> VW-1 4/11/96 61.42 21.73 39.69 - --- --- - -- --- --- Geocon
<br /> VW-1 4/23/96 61.12 21.73 -39.39 16,000 <50 720 1,500 580 1,700 9.8 Geocon
<br /> VW-I 7/2/96 59.98 21.73 -38.25 13,000 650 3,500 260 470 1,300 37 Geocon
<br /> VW-1 10/23/96 60.37 21.73 -38.64 8,200 190 1,900 271 220 370 31 Geocon
<br /> VW-2 V6/96 63.17 21.90 -41.27 16,000 <50 3,000 3,100 260 2,000 <50 Geocon
<br /> VW-2dup 216196 63.17 21.90 -41.27 24,000 <50 4,700 4,700 2,500 2,800 <100 Geocon
<br /> VW-2 4/11/96 61.63 21.90 -39.73 - - - -- - -- -- Geocon
<br /> VW-2 423/96 61.37 21.90 -39.47 54,000 <50 8,100 5,600 290 6,500 60 Geocon
<br /> VW-2 72/96 60.19 21.90 -38.29 20,000 1,400 3,000 1,700 200 1,700 53 Geocon
<br /> VW-2dup 72/96 60.19 21.90 -38.29 20,000 1,400 3,500 2,000 200 1,900 58 Geocon
<br /> VW-2 1023/96 60.55 21.90 -38.65 17,000 570 4,200 1,300 89 430 43" Geocon
<br /> VW-2dup 1023/96 - 21.90 - 15,000 - 3,600 1,100 74 360 3604 Geocon
<br /> MW-9 215196 61.15 20.43 -40.72 <50 <50 <0.3 <0.3 <0.3 <0.3 <0.5 Geocon (\
<br /> MW-9 4/11/96 60.25 20.43 -39.82 - - - -- -- - -- Geocon
<br /> MW-9 422/96 59.99 __, 20.43 -39.56 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 Geocon
<br /> MW-9dup 422/96 59.99 20.43 -39.56 X50 - <0.5 <0.5 <0.5 <0.5 <0.5 Geocon
<br /> MW-9 7/1/96 58.81 20.43 -38.38 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 Geocon
<br /> MW-9 1022/96 59.18 20.43 -38.75 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 Geocon
<br /> MW-10 215/96 62.50 21.44 -41.06 <50 <50 <0.3 <0.3 <0.3 <0.3 <0.5 Geocon
<br /> MW-10 4/11/96 61.10 21.44 -39.66 - - - - - - - Geocon
<br /> MW-10 422196 NM 21.44 } NM -- --. - -- -- __ -. Geocon
<br /> MW-10 7/1/96 NM 21.44 NM - - - --- - -- -- Geocon
<br /> MW-10 1022/96 60.18 21.44 -38.74 <50 68 1.0 0.9 <0.5 0.5 <0.5 Geocon
<br /> MW-10dup 1022/96 --- 21.44 - <50 - 1.0 0.9 <0.5 <0.5 <0.5 Geocon
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