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I110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hap.//www.rnQ=npbell com E-mail main@mccampbell com <br /> i <br />' Advanced GeoEnvironmental Client Project ID Sierra Lumber Date Sampled 09/10/99 <br /> 4005 North Wilson Way Date Received 09/14/99 <br /> Stockton,CA 95205 Client Contact Tim Cuellar Date Extracted 09/17-09/20/99 <br /> Client P O Date Analyzed 09/17-09/20/99 <br /> Gasoline Range(C&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 + MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> Lab ID Client ID Mamx TPH(g) -zene Surrogate <br /> 19160 MW5 W ND ND ND ND ND ND 107 <br /> I19161 MW7 W ND ND ND ND ND ND 106 <br /> 19162 MW8 W ND ND ND ND ND ND 105 <br /> I19163 MW3 W ND ND ND ND ND ND 103 <br /> 19164 MW6 W 93,17 ND ND ND ND ND 108 <br /> 19165 MW 1 W 4700,a ND 630 37 230 540 99 <br /> 19166 MW2 W 19,000,a ND<170 140 I900 790 2900 103 <br /> I . <br /> 19167 MW4A W 90,000'a ND<300 2900 13,000 3100 16,000 99 <br /> I19168 MW4B W 82,000,a ND<200 7300 16,000 2500 13,000 102 <br /> I <br /> I <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> I means not detected above <br /> the reporting limit S 1 0 mg/kg 005 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 /> m 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 /> I 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 /> chrornatogiaphic peaks are significant,biologically altered gasoline?,e)TPH pattern 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 pattern <br /> DHS Certification No 1644 '` Edward Hamilton,Lab Director <br /> I <br />