ARCHIVED REPORTS XR0003030 - Laserfiche WebLink

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TABLE 1 GROUNDWATER EXTRACTION SYSTEM ANALYTICAL DATA Former Chevron Service Station 9-5775 301 West Kettleman Lane Lodi, California Sample Sample TPHg Benzene Toluene Ethyl- Total MtBE TBA RIPE EtBE TAME Ethanol Methanol EDB 1,2 -DCA Date Location benzene Xylenes ( ( ( ( ) ( ( 06104102 EFFL <50 <0 5 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <0 5 <0 5 <5 0 <50 <0 5 <0 5 06/11/02 EFFL <50 <0 5 060 <0 5 <0 5 <0 5 <50 <0 5 <0 5 <0 5 <5 0 <50 <0 5 <0 5 06/18/02 EFFL <50 <0 5 <0 50 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 <0 5 <5 0 <50 <0 5 <05 06/25/02 EFFL <50 <0 5 <0 50 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 <0 5 <5 0 <50 <0 5 <05 07/02/02 EFFL <100 <2 0 <2 0 <2 0 <2 0 <2 0 <10 <20 <2 0 <2 0 <50 <100 <2 0 <2 0 07/16/02 EFFL <100 <2 0 <2 0 <2 0 <2 0 <20 <10 <20 <2 0 <2 0 <50 <100 <2 0 <20 07/30/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 08/13/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 08/28/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 09112!02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 09/24/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 10/08/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 10/22/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 11105/02 EFFL <50 <0 5 <0 5 <0 5 <0 5 <2 <10 <2 <2 <2 <100 <400 <2 <2 11/20/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 12/03/02 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 12/17/02 EFFL <50 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 01107103 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 01/21/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 02/04/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 02/19/03 EFFL <100 <2 <2 <2 <2 <2 <10 <2 <2 <2 <100 <400 <2 <2 har a Limitation ND <5 Or <5 01 <5 01 <5 Ot ND ND ND ND ND ---- ---- ---- ---- LANATION5 ANALYTICAL LABORATORIES TPHg = Total Petroleum Hydrocarbons as Gasoline DIPE = Di isopropyl ether Sequoia Analytical (FLAP #1271 #1624 and #12360) 1,2 -DCA =1,2-Dichloroethans EtBE = Ethyl tertiary butyl ether Kiff Analytical ( FLAP #2236) MtBE= Methyl tertiary butyl ether TAME a Tertiary amyl methyl ether Lancaster Laboratories (ELAP # 2116) TBA =tort Butyl aloohol NA = Not analyzed for this oonstituent EDB = Ethylene dibromide ND = Not Detected or below method detection limits NOTES ' Sum of benzene toluene ehtylbenzene and xylenes not to exceed 0 005 mg/L (5 ppb) Semple cdlected atter approximately 1 400 gallons of tap water was pumped through system during cleaning procedures Sample Included 2 butanaons and tetrahydrofuran which were quantified as TPHg Sample collected after approximately 1,500 gallons of tap water were pumped through system during cleaning procedures Tetrahydrofuran reported as ND (<5 0) s Split sample collected for Qualatafte analysis (Kiff Analytical) Split sample collected for Qualatatrve analysis (Lancaster Laboratories) :1 GWE Monthly As Page 12 of 12