Laserfiche WebLink
Tabl � - <br /> Groundwater Monitoring Da and Analytical Results <br /> Chevron Service Station#9-8264 <br /> 3775 Tracy Boulevard <br /> Vertical Measurements are in feet Tracy,California <br /> Analytical results are in parts per billion(ppb) <br /> Well Ground Depth Total. <br /> DATE Head Water To SPH Sl'H SPH Notes 'IT.P'Pl_ TPH- Benzene Toluene Ethyl- Xylenes MTBE TOG EPA EPA <br /> Elev. Mev. Water Thickness Removed Removed Diesel Gasoline Benzene (EPA 8020) 8270 8010 <br /> MW-1 <br /> 05/24/96 1941 901 1040 -- -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 08/20/96 1941 803 1138 -- -- -- <50 <50 <0 5 <0 5 <05 <0 5 <2 5 12,000 <5 0-<10 <0 5-<1 0 <br /> 11/05/96 1941 856 1085 -- -- -- -- <50 <50 <0 5 <0 5 <05 <0 5 <2 5 <5000 <5 0-<10 <0 5-<1 0 <br /> 01/07/97 1941 1025 916 -- -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 02/07/97 1941 1043 898 -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 -- <0 5-<5 0 <br /> 05/21/97 1941 846 1095 -- -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 -- <0 5-<5 0 <br /> 08/27/97 1941 845 1096 -- -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 11/24/97 1941 873 1068 -- -- -- -- 110** <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 02/12/98 1941 1047 894 -- -- -- <50 <50 <05 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 06/09/98 1941 258 1683 -- -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 08/10/98 l9 41 846 1095 -- -- -- <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 11/24/98 1941 841 1100 -- -- -- -- 60** <50 <0 5 <0 5 <0 5 <0 5 <2 5 37,000 <5 0-<10 <0 5-<5 0 <br /> 03/05/99 1941 919 1022 -- -- -- *** <50 <50 <0 5 <0 5 <05 <0 5 <2 0 <5000 <10-<50 <0 5-<5 0 <br /> 06/01/99 1941 865 1076 -- -- -- <50 <50 <0 5 <0 5 <05 <05 <5 0 <5000 <10-<50 <0 5-<5 0 <br /> 08/30/99 1941 829 11 12 -- -- -- -- <50 <50 <0 5 <0 5 <05 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 11/23/99 1941 854 1087 -- -- -- - <50 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 02/02/00 1941 799 1142 -- -- -- -- <50 <50 <0 5 <05 <0 5 <0 5 <2 5 <5000 <5 0-<10 <0 5-<5 0 <br /> 05/18/00 19 41 878 1063 000 -- -- <50 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <5,000 <5 0-<10 <0 50-<2 0 <br /> 08/11/00 1941 8.10 11.31 0.00 -- -- •3 <50 <0.50 <0 50 <0 50 092 <2 5 <5,000 <5 0-<10 <0 50•<2 0 <br /> ** Chromatogram pattern indicated an unidentified.hydrocarbon <br /> *** Insufficient preservative to reduce the sample pH to less than 2 Sample was analyzed within 14 days of sampling,but beyond the 7 days <br /> recommended for Benzene,Toluene,and Ethylbenzene <br /> 9 8264 xls/#386854 1 As of 08/11/00 <br />