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Table 1
<br /> Groundwater Elevation and Analytical Data
<br /> Former BP Retail Site No 11191
<br /> 1469 F Hammer Lane, Stockton, CA
<br /> TOC Depth to water Level Ethyl- Total
<br /> Well Date P/ Elevation Water Elevation TPH9 TPHd Benzene Toluene benzene Xylenes MtBE DO
<br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (rr91L) Wg/L) 419/L) UVIL) (1911-) (99/L) (PWL) (mg/L) Comments
<br /> MW-2 10!25/2005 P 23 93 5447 -3054 2,600 - <25 <25 <25 <25 -3,700-
<br /> MW-3 1/3/2002 - 4780 -- 25,000 ND<1 0 ND<1 0 ND<1 0 ND<1 0 27,000 -
<br /> 4/11/2002 - 1974 4522 2548 14,000 - ND<l 0 ND<1 0 ND<1 0 ND<1 0 18,000
<br /> 7/31/2002 1974 4977 -3003 1,800 ND<1 ND<1 ND<1 ND<1 30,000 139
<br /> 10/11/2002 -- 1974 5192 -3218 26,000 ND<100 150 ND<100 540 44,000 --
<br /> 01/30/2003 P 2324 4860 -2536 <50,000 -- <500 <500 <500 <500 22,000-
<br /> 04/10/2003 P 2324 4704 -2380 <5,000 <50 <50 <50 <50 25,000-
<br /> 07/11/2003 P 2324 5012 -2688 5,000 R <500 <500 <500 <500 10,000•
<br /> 10/17/2003 P 2324 5526 -3202 9,700 R -- <500 <500 <500 <500 25,000" --
<br /> 01/26/2004 P 23 24 5079 -2755 3,600 <250 <250 <250 <250 17,000'
<br /> 04/27/2D04 P 2324 5016 -2692 3,600 150 150 c50 <50 6,300'J
<br /> 07/01/2004 P 23 24 54 37 -31 13 2,700 <120 <120 <120 <120 8,800'
<br /> 10/04/2004 P 2324 5822 -3498 780 <50 <50 <50 <50 2,700' -
<br /> 01/12/2005 P 2324 5367 -3043 1,500 - 1100 <100 <100 <100 4,200' 301
<br /> 05/11/2005 P 2324 50 08 2684 <2,500 <25 <25 <25 <25 2,000' -
<br /> 07/19/2005 P 232 5245 -2921 <250 c2 5 <2 5 <2 5 <25 68'
<br /> 10/25/2005 P 23 24
<br /> 5365 -3041 <2,500 - <25 <25 <25 125 1,700+ -
<br /> MW-4 1/3/2002 - 4898 -- 6,300 - ND<1 0 ND<l 0 ND<1 0 ND<1 0 9,400 -
<br /> 4/11/2002 - 2089 4646
<br /> - -2557 22,000 -- ND<1 0 ND<1 0 ND<l 0 ND<1 0 11,000
<br /> 7/31/2002 - 2089 5122 -3033 ND<50 ND<i ND<1 ND<1 ND<1 1,900 15 8
<br /> 10/11/2002 -- 2089 5312 -3223 ND<2500 ND<25 ND<25 ND<25 ND<25 9,000 --
<br /> 01/30/2003 P 2434 4977 -2543 <50,000 1500 UJ <500 UJ <500 UJ <500 UJ 14,000-J
<br /> 04/10/2003 P 2434 4820 -2386 8,600 150 <50 <50 <60 17,000' -
<br /> 07/11/2003 P 2434 5162 -2728 910 - <50 <50 <50 <50 2,200- 2 0
<br /> 10/17/2003 P 2434 5632 3198 15,000 R <500 <500 <500 <500 37,000-
<br /> 01/26/2004 P 2434 51 89 -2755 6,200 <250 <250 <250 <250 22,000'
<br /> 04/27/2004 P 2434 51 56 2722 820 125 <25 125 64 810'
<br /> 07/01/2004 P 2434 5571 -3137 7,900 - 1500 <500 <500 <500 24,000-
<br /> 110/04/2004 P 2434 5977 -3543 7,400 <250 <250 <250 <250 17,000' --
<br /> 01/12/2005 P 2434 5467 -3033 7,000 <1,000 <1 000 <1,000 <1,000 23,000- 323
<br /> 05/11/2005 P 2434 51 25 -2691 <25,000 <250 <250 <250 <250 12,000- --
<br /> 07/19/2005 P 2434 5451 -3017 <25,000 <250 <250 <250 <250 11,000-
<br /> Report Date November 29,20x05 Page 2 of 5
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