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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ®® <br /> http//wwwmcc;ampbe1lcom E-mail main@mccampbell com <br /> s <br /> Advanced GeoEnvironmental Client Project ID Mossdale Date Sampled 10/29& 11/01/99 <br /> 4005 North Wilson Way Date Received 11/05/99 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 11/05-11/11/99 <br /> Client P O Date Analyzed 11/05-11/11/99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,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 1D Client ID Matnx TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 24898 136-10' S ND ND ND ND ND ND 96 <br /> 24899 B6-15' S ND ND ND ND ND ND 97 <br /> 24900 B6-20' S ND ND ND ND ND ND 97 <br /> 24901 B6-30' S ND ND ND ND ND ND 100 <br /> 24902 B7-10' S ND ND ND ND ND ND 98 <br /> 24903 B7-15' S 49,1 ND<O 10 ND 036 0 063 016 116 <br /> 24904 B7-20' S ND ND ND ND ND ND 100 <br /> 24905 137-30' S ND ND ND ND ND ND 99 <br /> 24906 BS-15' S ND ND ND ND ND ND 99 <br /> 24907 138-20' S ND ND ND ND ND ND 98 <br /> 24908 B8-30' S ND ND ND ND ND ND 96 <br /> 24909 B1-30' S ND ND ND ND ND ND 99 <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 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 /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> i <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(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than Hater immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 sol %sedirrient,i)no recogmzable pattern <br /> DHS Certification No 1644Edward Hamilton, Lab Director <br />