Laserfiche WebLink
TABLE 2 <br /> ANALYTICAL RESULTS: GROUNDWATER <br /> SHELL SERVICE STATION,6131 PACIFIC AVENUE,STOCKTON,CALIFORNIA <br /> {A9 resutts m parts-per-billion, except as atdcateco <br /> Total Aromatic Volatile Organics <br /> Monitoring Date Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> (MPN/100m!) (MPN/100m1) <br /> L--j— Gasoline Benzene Toluene Ethyl- Total <br /> (Ppm) benzene Xylenes <br /> MW-1 07/23/90 035 1 9 15 0 6 2 0 --- 5 <2 <br /> 10/09/90 < 0.8 < < < 5 13 <2 <br /> 01/10/90 0 070 0 9 < < < — 136 Neg. <br /> 04/09/91 < < < < < -- <1.0 <10 <br /> 07/17/91 0.13 1,0 < < < — 23 23 <br /> 10/08/91 0 16* 16 < < < 92 9.2 <br /> I <br /> MW-2 07/23/90 1 9 440 420 71 21 0 — 33 <2 <br /> 10/09/90 057 78 0 430 < 27.0 <0.002 21 <2 <br /> 01/10/90 1 2 3600 750 < 53.0 -- <2 2 Neg. <br /> 04/09/91 4 5 1,200 0 1000 12 0 2100 -- 1 1 1.1 <br /> 07/17/91 7.2 3,6000 440.0 1400 7100 — >23 >23 <br /> 10/08/91 100 7,6000 3500 2600 6000 — 120 12,0 <br /> MW-3 07/23/90 63 10,0000 18,0000 1,8000 11,0000 --- 540 33 <br /> 10/09/90 69 7,9000 12,0000 1,200 0 9,000 0 <0 002 >2,400 920 <br /> 01/10/90 63 10,0000 17,0000 1,200 0 7,200 0 --- 16 Pos <br /> 04/09/91 — --- --- — __ _ <br /> 07/17/91 --- -- T W <br /> 10/08/91 --- --- — r <br /> NOTES - = Not analyzed <br /> < _ Results are less than Practical Quantdation Reporting limits stated in the August 10, 1990, "Tn-Regional Board <br /> Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Saes"(0 05 ppm for TPH, <br /> 0 0005 ppm for BTEX) <br /> MPN/100m1 = Most Probable Number(M PN)of bacteria per one hundred milliliters <br /> < - Less than the Indicated detection limit <br /> > = Greater than or equal to <br /> = Positive repsonse for petroleum hydrocarbons as gasoline is due to the presence of an unknown <br /> hydrocarbon,not gasoline <br /> Aegis Environmental Inc <br /> January 6 1992 <br />