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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell co m E-mail main@mccampbell corn <br />' Advanced GeoEnvironmental Chcnt Project ID West Clay Date Sampled 03/13/01 <br /> 837 Shaw Road Date Received 03/15/01 <br />' Stockton,CA 95215 Client Contact Paul Dotson Date Extracted 03/15-03/16101 <br />' Client P O Date Analyzed 03/15-03116101 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,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 /> I Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 62688 MWI/ W 820,a ND<l5 140 18 39 29 103 <br /> 031301 <br />' 62689 0 1 01 W 8300,a ND�60 970 440 270 720 98 <br /> 62690 MW3/ W ND ND ND ND ND ND 102 <br />' 031301 <br /> 62691 MW5/ W ND ND ND ND ND ND 103 <br /> 03130I <br /> 62692 MW6A/ W ND ND ND ND ND ND 103 <br />' 031301 <br /> 62693 MW6B/ W ND ND ND ND ND ND 103 <br /> 031301 <br />'. 62694 N1W7/ W ND ND ND ND ND ND 104 <br /> 031301 <br /> 62695 MWSA/ W ND ND ND ND ND ND 105 <br /> 031301 <br />' 62696 MWBB/ W ND ND ND ND ND ND 102 <br /> 031301 <br /> 62697 MW9/ W ND 140 ND ND ND ND 95 <br /> 031301 <br />' 62698 031301 W 880,g,a,h 25 26 5 2 5 2 4 8 95 <br /> 62699 M W 11 A/ W ND ND ND ND ND ND 103 <br />' 031301 <br /> 62700 MWI 1B/ W 120,a 33 ND 0 89 ND ND 97 <br /> 031301 <br />' <br /> 62701 031301 W ND ND ND ND ND ND 97 031301 <br /> Reporting Limit unless W 50 ug/L 5 0 05 0 5 0 5 0 5 <br /> otherwise stated ND <br />' means not detected above <br /> the reporting limit S 10 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 />' n 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) unmodtfied 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 gasohne7,e)TPH pattern that does not appear to be denved from gasoline(1),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water imnuscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> I <br /> DHS Certification No 1644 Edward Harrulton, Lab Director <br /> I <br />