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I <br /> TABLE 2 <br /> GROUNDWATER ANALYTICAL DATA <br /> Former Chevron Service Station 9-5775 <br /> 301 West Kettleman Lane <br /> Lodi California <br /> i <br /> Well Ethyl- Total <br /> Identification Date TPHg Benzene Toluene benzene Xylenes MtBE Methanol Ethanol TBA D[PE RISE TAME 1,2-DCA EDB TCE p IPMB PCE Notes <br /> (l1gfL) ✓L 11L !L gfL 1I- ( AL fL ( fL) (pgfL) (pg!L) (p91L) (pgn_) (pgfL) (pg1L) (pglL) <br /> EX 3 1/2930101 <500 <50 <50 <W <50 3 900 <500 <50 130 <50 200 44 <60 <50 <50 <50 <50 c r <br /> 03123/01 <400 <40 <40 <40 <40 2 000 <400 <40 240 <40 88 20 <40 <40 c <br /> 05122!01 110 .05 <0 5 <0 5 <05 1 300 400 39 46 <0 5 58 14 <0 5 <0 5 C I <br /> 09106!01 <20 <0 20 <0.20 <0 20 <0 60 290 <200 <50 13 <0 5 17 3 <0 5 <0 5 c <br /> 11120!01 <50 <0 5 <4 5 <G5 <br /> c15 180 400 <50 <W <0 5 12 2 <0 5 <0 5 C <br /> 01117102 <50 <0 5 <0 5 <05 <15 180 <200 <50 <5 <0 5 12 2 <0 5 <D5 c <br /> 04130102 <50 <0 5 <0 5 <0 5 <0 5 150 400 <W <5 11 2 <0 5 <0 5 c <br /> 07129102 <50 <0 5 <0 5 <0 5 <0 5 38 400 <50 <5 <0 5 3 <0 5 <0 5 <0 5 b <br /> 10129102 <50 <0 5 <0 5 <0 5 <0 5 21 <M <50 <5 <0 5 2 <0 5 <0 5 <0 5 b <br /> 3113 14103 <50 <0 5 <0 5 <05 <0 5 19 <50 <50 <50 <0 5 19 <0 5 <0 5 '05 c <br /> 04126/03 <50 <0 5 <0 5 <0 5 <0 5 15 400 <50 <5 <0 5 2 <0 5 <0 5 <0 5 b <br /> 07/29103 <50 <0 5 <0 5 <0 5 <0 5 13 <200 <50 <5 <0 5 1 <0 5 <0 5 <0 5 b <br /> 50127/03 <50 <0 5 <0 5 .05 <0 5 9 <200 <50 <5 <0 5 07 <0 5 '05 -05 4 <br /> 01129104 <50 <0 5 <0 5 <0 5 <0 5 11 <200 <50 <5 <G5 1 <0 5 <0 5 <0 5 b <br /> i <br /> EXPLANATIONS <br /> I <br /> TPHg=Total Petroleum Hydrocarbons as gasonlme TBA=Tertiary butyl alcohol TAME=Tertiary amyl methyl ether TCE=Tncholorethylene <br /> ug1L=Micrograms per Liter DIPE=Dpisopropyl ether 1,2-DCA=1 2-Dchlaroethene plPM13=Para Isomethyl benzene <br /> MtBE=Methyl tertiary butyl ether EtBE=Ethyl tertiary butyl ether EDB=1 2-Dlbromoethane PCE=Tetra(per)chloroethylene <br /> =Not Measured/Not Sampled/Not Appllcable <br /> r <br /> NOTES <br /> a) Groundwater monitonnq date and laboratory analytical results prior to January 29 2000 were compiled from reports prepared by Blaine Tech Services Inc f <br /> b) Groundwater monitonno data collected by Gettler-Ryan Inc I <br /> 01 Groundwater monrtonn(i data collected by SECOR International Inc <br /> d) Laboratory report indicates weathered gasoline C6-C12 <br /> e) TPHg BTEX by EPA Method 8260 <br /> f) Laboratory report indicates gasoline C6-C12 <br /> 9) Laboratory report Indicates the reported value forTPHg is primarily due to the presence of three compounds 2-butanone tetrahydrofuran and cyciohexanone These <br /> compounds are associated with PVC pipe cement <br /> h) Purged 150 gallons of water from well and then sampled <br /> k) Purged 110 gallons of water from well and then sampled <br /> m) Well resampled to confirm the presence of TPHg <br /> n) Well pumped weekly sample Collected directly from well <br /> p) Full time groundwater extraction system in place and active as of July 3 2000 See O&M report for system data <br /> r) Sample collected from Influent port In remediation compound <br /> s) Sample collected after approximately 1 400 gallons of potable water was pumped through system dung cleaning procedures <br /> I) Sample collected from top of water column using disposable bailer or from bottom of well using bomb sampler <br /> u) Quarterly sampie not collected due to cycling of submersible pump <br /> v) Confirmation Analysis <br /> w) Sample missed during quarterly sampling event <br /> I fClrev W957751TablebiGW AnglyT"l IC104 s5 30 of 30 <br />