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Table 1
<br /> Groundwater Elevation and Analytical Data
<br /> Former BP Retail Site No 11191
<br /> 1469 E Hammer Lane, Stockton, CA
<br /> TOC Depth to Water Level Ethyl- Total
<br /> Well Date PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO
<br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) MIL) (,ug1L) (pgli-) Wg/L) (ug/L) (pg/L) (pg/L) (mg/L) Comments
<br /> MW-1 1/3/2002 - -- 4740 - -- - - - `- - -
<br /> 1/23/2002 -- - 4663 -- 110 -- ND<1 0 ND<1 0 ND<1 0 1 110
<br /> 4/11/2002 - 1917 4490 -2573 70 - ND<1 0 ND<1 D ND<i 0 ND<1 0 37
<br /> 7/31/2002 1917 4941 -3024 230 - ND<1 N0<1 ND<1 ND<1 9 300 184
<br /> 10/11/2002 - 1917 51 42 -32 25 10,000 - 42 530 250 190 1 Q,000 -
<br /> 01/30/2003 P 2272 4803 -25 31 <12,000 - <120 UJ <120 UJ <120 UJ <120 UJ 7,600'J
<br /> 04/10/2003 P 2272 4647 -23 75 2,700 <10 <10 <10 <10 4,900*
<br /> 07/11/2003 P 22 72 49 78 -27 06 4 200 R - <500 <500 <500 1 004 9,900* 39
<br /> 10/17/2003 P 2272 5492 -32 20 4 500 R - <250 <250 <250 300 13,000* -
<br /> 01/2612004 P 2272 5028 -2756 3,000 - <100 <100 <�00 <100 1000o. -
<br /> 04127/2004 P 2272 4976 -27 04 8,300 - <250 <250 <250 <250 11000* --
<br /> 0710112004 P 2272 5416 -3144 3,700 -- <120 <120 <120 1120 12,000'
<br /> MW-2 1/3/2002 -- -- 4860 - 1,800 -- ND<1 0 ND<i 0 ND<1 0 ND<1 0 1,900
<br /> 1/10/2002 - -- --48 42 - 1,400 - ND<10 ND<10 ND<10 ND<10 1,804 --
<br /> 4/11/2002 - 20 47 46 00 -25 53 1 700 -- ND<i 0 ND<1 0 ND<i 0 ND<1 0 1,300 -
<br /> 7/31/2002 -- 20 47 5077 -3030 ND<50 = ND<i ND<1 ND<1 ND<1 4,500 99
<br /> 14/11/2002 -- 20 47 5275 -3228 9,200 N0<50 250 93 930 11,000
<br /> 01130/2003 P 23 93 49 39 -25 46 5,300 J - <50 UJ <50 UJ <50 UJ <50 UJ 4,900'J--
<br /> 04/10/2003 P 23 93 4779 -2386 2,000 -
<br /> <10 <10 <10 <10 3,900*J -
<br /> 07/11/2003 P 2393 51 07 -27 14 650 R - <50 <50 <50 <50 1,600• 14
<br /> 10117/2003 P 23 93 5615 -3222 12,000 <250 <250 <250 <250 22,000* --
<br /> 01/26/2004 P 2393 51 58 -27 5 270 -- <100 <100 <100 <100 980* -
<br /> 04/27/20041P 2393 5099 -2706 1,700 - <50 <50 <50 <50 2,800* --
<br /> 07/01/2004 j P 2393 5527 -31 34 4,100 -» <250 <250 <250 <250 15,000*
<br /> MW-3 1/3/2002 -- - 4780 -- 25,000 - ND<1 0 ND<1 0 ND<1 0 N0<1 0 27,000
<br /> 4/11/2002 1974 45 22 -2548 14 000 - ND<1 0 ND<1 0 ND<1 0 ND<1 0 18,000 -
<br /> 7/31/2002 --
<br /> ---F974 49 77 -3003 1,800 - ND<1 ND<i ND<1 ND<1 30,000 13 9
<br /> 10/11/2002 -- 1974 5192 -3218 26 000 -- ND<100 150 ND000 540 44,000 --
<br /> 01/30/2003 P 23 24 48 60 -25 36 <50,000 - <500 <504 <500 <500 22 000• --
<br /> 04/10/2003 P 23 24 47 04 -23 80 <5,040 - <50 <50 <50 <50 25,000* -
<br /> 07/11/2003 P 2324 5012 -2688 5 000 R -- <500 <500 <500 <500 10,000* --
<br /> i0/17/2003 P 2324 5526 -3202 9,700 R - <500 <500 <500 <500 25,000' -
<br /> Page 1 of 4
<br /> Report Date August 18,2004
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