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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 r <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htttt I/www mccampbell cam E-mail main@mccampbell cam <br />' Advanced GeoEnvironmental Client Project ID Charlies Day+Night Date Sampled 05/14/01 <br /> 837 Shaw Road Date Received 05/15/01 <br />' Stockton, CA 95215 Client Contact Calvin Lee Date Extracted 05/15-05/16/01 <br /> Client P O , Date Analyzed 05/15-05116101 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasolene*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client 1D Matrix TPH(g)° MTBE Benzene Toluene Ethyl Xylenes %Recovery <br />' benzene Surrogate <br /> 67488 0514/01 W ND ND ND ND ND ND # <br />' 67489 MW2 W 870,b ND ND ND 17 29 --- <br /> 05114101 <br /> -#05/14/01 <br /> 67490 ' OS/M 4 01 W 390,E ND 16 1076 13 19 102 <br /> I ` <br /> 1 <br /> • ti <br /> 1 1 <br /> Reporting Limit unless W 50 ug/L 5 0 05 0 5 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit ,- S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <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 pattem that does not appear to be derived from gasoline("),f) <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 present,i)liquid sample that contains greater than--5 vol %sediment,j)no recognizable patter <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />