ARCHIVED REPORTS XR0008623 - Laserfiche WebLink

Home Browse Search

a TABLE 2 ANALYTICAL RESULTS* GROUNDWATER FORMER EXXON SERVICE STATION RAS #7-0137 1605 SOUTH EL DORADO, STOCKTON, CALIFORNIA (All results in parts-per-billion) Monitoring Date Total Aromatic Volatile Organics Well Collected Petroleum Hydrocarbons Ethylene Total Gasoline Benzene Toluene Ethyl- Total Y Dlbromlde Lead benzene Xylenes MW-1 07/11/91 < c c c e <0 5 <50 10/17/91 < < < < < <0 05 <30 01/17/92 < < < < < <0 02 70 04/22/92 < < < < < — 40 09124/92 < < < < c — — 12/17/92 < < c < < — 03/25/93 52 < < < < — — 0621/93 63 < < 1 8 6 8 — — 08/24/93 52 11 < < < _. — 11/24193 54 < < < c — — 02/15/94 < < < < < - 05/12/94 < < c < < w ... 08/16/94 < < < < < - 11/16/94 < < < c < — 02/10/95 < < 14 < 13 — --- MW-2 07/11/91 140 0 5 < < < <0 5 <50 10/17/91 70 < 2 0 < < <0 05 3 0 01/17/92 88 < c < < <0 02 120 04/22/92 88 < c < c 30 09/24/92 86 < < < < 12/17/92 140 < < < < — 03/25/93 110 <06/21/93 140 < 0 6 08/24/93 104 1 1 < < 0 7 — — 1124193 110 < < < < — — 02/15/94 73 < < < c _ 05/12/94 71 < < < < — 08/16/94 < < < < < — — 11/16/94 < < < < < — 02/10/95 < < < < MW-3 07111/91 940 9 0 1 5 < 78 <0 5 <50 10/17/91 390 4 3 1 8 52 47 <0 05 5 0 01/17192 580 170 4 6 130 100 <0 02 9 0 04/22/92 550 11 1 2 78 85 --- so 09/24/92 420 8 8 38 12 80 --- — 12/17/92 620 17 22 12 84 — -- 03/25/93 910 37 12 21 130 — -- 06/21/93 640 21 11 14 73 --- -- 08/24/93 460 13 5 7 12 49 — 11/24193 67 26 06 1 4 5 3 — --- 02/15/94 300 11 1 3 1 5 32 - --- 05/12/94 220 3 8 46 < 7 0 --- — 08/16/94 240 6 6 < 4 0 8 6 -- — 11/16/94 400 23 38 22 — — 02/10/95 220 42 < B9 < NOTES - Below Practicdk Quantitation Reporting Limits(POL)per Tn Regional Board Staff Recommendations for Prelimnary,Evaluation and Investigation of Underground Tank Saes (August 10 1990) (POL for BTEX a 0 5 ppb TPH as gasoline and(Ireael=50 ppb) Not analyzed Fugro 93471044/February 1995