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10/06/1999 09 23 2094671118 AGE STOCTON PAGE 03 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> zo I hU/!www mcsampha= E-mail mainQmccampbcll wM <br /> i <br /> Advanced GeoEnvirunmental Client Project ID Sierra Lumber <br /> Date Sampled 09/10/99 <br /> 4005 North Wilson Way Dato Received 09/14/99 <br /> Stockton,CA 95205 Client Contact Tun Cuellar Date Extracted 09117-09/20/99 <br /> Fm—tp <br /> O Date Analyzed 09117-09/20/99 <br /> Gasoline Range(C6-C1Z)Volatile Hydrocarbons as Gasoline*,..nth Methyl tent-Butyl Ether"&BTEX; <br /> BPA nreLhods 5030,modified W15 and 8020 or 602,Califaana RWQCB(SF Bay Region)method CrMl)(5030) <br /> Ethylb n N/9 Recovery <br /> Lab ID Client ID Matrix TPH(Sr MTBE $eruette Toluene zene Xylrnes Surrogate <br /> 19160 MW5 W ND ND ND ND ND ND 107 <br /> 19161 MW7 W ND ND ND ND NO ND 106 <br /> 19162 MW8 W NO NO ND ND NO ND 105 <br /> 19163 MW3 W NO ND NO ND ND ND 103 <br /> 19164 MW6 W 93,f NO NO ND ND NO 108 <br /> 19165 MWl W 4700,a ND 630 37 230540 99 <br /> 19166 MW2 W 19,000,a ND<170 140 1900 790 F1246,000 <br /> 900 103 <br /> 19167 MW4A W 90,000,a ND<300 2900 13,000 3100 99 <br /> 19168 MW4B W 82,000,a ND<200 7300 16 000 2500 13,000 102 <br /> Rcporring Iarmt unless W 50 ug/L 50 05 05 05 05 <br /> otherwtse stated.ND <br /> means not detested above S 10 mg ft 005 0 005 0 005 0 005 0 005 <br /> the repomag!hist <br /> 'water and vapor samples are rcportcd in ug/L wipe samples to ug/mnpc soil and sludge samples in rriglkg,and all TCLP end SDLP extracts <br /> in ug/L <br /> Cluttered chromtograrn,sample peak cgelute%With%unxgpte peal[ <br /> 'Tine following desmptions of the TrH chromatogram are cursory in nature and blcC Mbcll Analytical is not respotuibie for[herr <br /> rnkrpmIation a) unmodificd or weakly modtfed gasohne is significant, b) heavier ga%oirire rmgo compounds are signiftwnr(aged <br /> gaspline7) c)lighter gasoline rmp compounds (the nnoat niobule fraction)are significant d) gwolmc range compounds having broad <br /> chtpmatog+aptue peak%are sigmi6c it,biologically altered gasoline? e)TPH pstwrn that does not appear to be derived from gausses Ch,f) <br /> one to a fSw isolated pcalts present g)strangty aged gasoline ar diesel range compounds are significant,h)lighter than rater immiscible <br /> sheen t: reseal,i)liquid sarripla brat cpntains eater than--5 vol 5y sedimcrit, )no rew iaitble item <br /> 0 DHS certification No 1644 Edward Hamilton,.Lab Director <br />