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r� rr rr r r r r■� r r r r r� r �r r r r r r i i • TABLE 2 GROUNDWATER ANALYTICAL DATA Farmer Chevron Service Station 9.5775 301 West Kettleman Lane Lodi California Well Ethyl- Total Identification Data TPHg Benzene Toluene beftsene Xylenes MISE Methanol Ethanol TBA DIPE EtBE TAME 1�-0CA EDB TCE p4PM6 PCE NOS (NIL) /L 11 /L !L lL) W!L lL AL EX-3 112930!01 <500 <50 <50 <50 <50 3 900 <500 <50 130 <50 200 44 <50 <50 <50 <50 <50 c r 03/23101 <400 <40 <40 <40 <40 2000 <400 <40 240 <40 88 20 <40 <40 - - - c 0522101 110 <0 5 m 5 <0 5 <0 5 1 300 <200 39 46 <0 5 58 14 <0 5 -05 -- -- - c 09/06101 QO <0 20 <0 20 d*20 <0 60 290 <200 <50 13 <30 5 17 3 <0 5 <0 5 — — — c 1120101 <W <0 5 <05 <0 5 <15 180 <200 X50 <50 <D 5 12 2 <0 5 <0 5 -- — — c 01117102 <50 <05 <0 5 <0 5 <15 180 <200 <50 <5 <0 5 12 2 <0 5 <0 5 — — — c 04130102 <50 <0 5 <05 <0 5 <0 5 150 <200 <50 <5 11 2 <0 5 <0 5 — — c 0729!02 <50 <0 5 <05 <0 5 <05 38 400 <W <5 <05 3 <0 5 �*5 <05 — — — b 10129102 <50 <0 5 <0 5 <0 5 <05 21 <200 <50 <5 <0 5 2 <0 5 <0 5 <0 5 - - -- b 3/13-14/03 <50 <0 5 <05 <0 5 <0 5 19 <50 <60 <50 <0 5 19 <0 5 <0 5 <05 - _ c 0428!03 <W <0 5 <05 <0 5 <0 5 15 <200 <W <5 <0 5 2 <0 5 <0 5 <0 5 — — — b 07129103 <50 <0 5 <0 5 <0 5 <05 13 <200 <W <5 <05 1 <0 5 <0 5 <0 5 — — — b 1027/03 <50 <0 5 <05 <05 <0 5 9 Q00 <W <5 <0 5 07 <0 5 <05 <0 5 — — — b 0129104 <50 <0 5 <0 5 .905 <0 5 11 <200 <50 <5 -05 1 <0 5 <0 5 <0 5 — — — b 04/30104 <W <0 s 1 <0 5 <05 4 Q00 <50 <5 <0 5 <0 5 <0 5 <05 <0 5 — — — b EXPLANATIONS TPHg=Total Petroleum Hydrocarbons as gasonllne TSA=Tertiary butyl alcohol TAME=Tertiary amyl methyl ether TCE=Tncholorethylene Ug1L=Micrograms per Liter DIPE=DI-Isopropyl ether 1 2-DCA=1 2-Dlchbroethane plPMB=Para-Isomethyl benzene MtBE=Methyl tertiary butyl ether ELBE=Ethyl terhary butyl ether EDB=1 2-Dibromoethane PCE=Tetra(per)chloroethylene —=Not Measured/Not Sampled/Not Applicable NOTES a) Groundwater monitonno data and laboratory analvbcal results onor to.lanuary 29 2000 were comofled from re0orts oreoared by Blaine Tech Services Inc b) Groundwater monrtonno data collected by Gettler-Ryan Inc C) Groundwater mondorma data collected by SECOR International Inc d) Laboratory report indicates weathered gasoline C6-G12 e) TPHg BTEX by EPA Method 8260 f) Laboratory report indicates gasoline C6-C12 e) Laboratory report indicates the reported value for TPHg is pnmanly due to the presence of three compounds 2-butanone tetrahydmfuran and cycbhexanone These compounds am associated with PVC pipe cement. h) Purged 150 gallons of water from well and then sampled k) Purged 110 gallons of water from well and then sampled m) Well resampled to confirm the presence of TPHg n) Well pumped weekly sample-collected directly from well p) Full time groundwater extraction system in place and acute as of July 3 2000 See O&M report for system data F) Sample collected from influent port In remediatlen compound s) Sample collected after approximately 1 400 gallons of potable waterwas pumped through system during cleaning procedures Q Sample collected from top of water column using disposable bailer or from bottom ofwetl using bomb sampler u) Quarterly sample not collected due to cycling of submersible pump v) Confirmation Analysis w) Sample missed during quarterly sampling event I NCh9mr05775hTabhrs4GW Ana"cal QPRAt 30 Gf 30