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Quik Stop No 121 . 17-Jan-01CCI Project No 12118-5 0 TABLE 3 SUMMARY OF MONITORING WELL GROUNDWATER SAMPLE ANALYSIS Quik Stop No 121 1196 West Louise Avenue Manteca,CA Ethyl Total Sample Date TPHg Benzene Toluene Benzene Xylenes MTBE Number Sampled (u !I) (u !1) (u 11) (ug/1) (u !1) (ug") MW-1 4130199 140 <05 <0 5 <05 <1 <1 7121199 <50 <05 <0 5 <05 <1 87 10/18199 58 2 08 07 3 <1 1120100 8,600 <50 <50 <50 <50 21,000 2117/00(') N R <1 <1 <1 <1 11,000 416100 3,100 <25 <25 <25 <25 5,700 715100 6901" 084 <0 5 <0 5 <0 5 940 1015100 Sao0' <5 <5 <5 <5 1,000 1110101 5,300) <25 <25 <25 <25 11,000 MW-2 4130199 82 <05 <0 5 <05 <05 <1 7121199 <50 <05 <0 5 <0 5 <0 5 <1 10/18/99 <50 <0 5 <0 5 <0 5 <0 5 <1 1120100 200 22 <0 5 <0 5 <05 59 2/17100(I N R <1 <1 <1 <1 3 416100 70 <0 5 <0 5 <0 5 <05 55 715100 <50 <05 <05 <05 <05 99 1015100 <50 <05 <05 1 <05 <05 <5 1110101 <50 <05 <0 5 <05 <05 <5 MW 3 4130199 <50 <05 1 1 4 <1 7121199 230 <0 5 3 <0 5 <1 12,000 10/18/99 400 2 1 08 5 <1 1120100 25,000 ) <125 <125 <125 <125 1 58,000 2117!00 N R <1 <1 I <1 <1 49,000 416100 16 0000) <100 <100 <100 <100 43,000 715100 55 000 <100 <100 <100 <100 52,00 1015100 94 080 <05 <0 5 <05 <05 110,000 1110101 34,000 i0l <100 <100 <100 <100 110,000 BB-1 4130199 <50 <0 5 <0 5 <0 5 <1 <1 7121199 <50 <0 5 <05 <0 5 <1 N R 18/18/99 <50 <0 5 <0 5 <0 5 <1 N R 1120100 <50 <0 5 <05 <05 <1 N R 2117100 NR NR NR NR NR NR 416100 <50 <05 <05 <05 <0 5 N R 715100 1 NR NR NR NR I NR NR 1015100 NR NR NR NR NR NR 1110101 <50 <051 <05 1 <05 <05 NR I= l I I TPHg Total Petroleum Hydrocarbons as Gasoline Current Central Valley RWQCB Water Quality Goals ugA Micrograms per Liter Toluene 42 ppb < Below laboratory Detection Limit Ethyl Benzene 29 ppb N R Note Requested Xylenes 17 ppb MTBE Methyl-ternary-butyl ether Benzene 1 ppb TPHg 5 ppb Foot Notes • 1 Results within quantitation range chromabgraphic pattern not typical of fuel Compliance 2 Confirmation sampling S GClosure, Inc