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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCA PBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> h2p://www.mccampbell.com E-mail: main@mccampbell.com <br /> i .) Advanced GeoEnvironmental Client Project ID:Elkhorn Coutry Club Date Sampled: 04/23/00 <br /> 4005 North Wilson Way Date Received: 04/25/00 <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 04/25/00 <br /> Client P.O: Date Analyzed: 04/25/00 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 6015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethylben- X %Recovery <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene zene ylenes Surrogate <br /> r <br /> 36318 Pre-CATOX Air 4301b,j ND ND 10 4.0 23 104 <br /> Post- <br /> 36319 <br /> Air ND ND ND ND ND ND 99 <br /> E_ CATOX <br /> r-- <br /> l <br /> i;_I <br /> c_-i <br /> Izy <br /> = Reporting Limit unless <br /> Air 50 ug/L 5.0 0"5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> =-. 5 LO m 0.05 05 0.005 0.005 0.005 <br /> the reporting limit g 0.0 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> cluttered chromatogram;sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are significant(aged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);fl <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is resent;i liquid sample that contains eater than--5 vol.%sediment; no recognizable pattern. <br /> <':r P ) 4 mP � J) � P <br /> -i <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />