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i <br /> 1 10 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 120 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hh=Ly ww.mccarnRhdl.com E-mail matn@rnccampbell cam <br /> I <br /> Advanced GeoEnvironmental Client Protect M MBP-Mossdale Date Sampled 10/29/99& 11/01/99 <br />' 4005 North Wilson Way Date Received 11/03/99 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 11/04-11/11/99 <br /> Client P 0 Date Analyzed 11104-11/11/99 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butyl Ether* &BTEX* <br />' EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCF"5030) <br /> Lab ID Chent 1D Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br />' 24723 BI H2O W 2200,a,i ND 54 1 8 34 15 116 <br /> 24724 B3 H2O W ND ND ND ND ND ND 101 <br />' 24725 B4 H2O W ND,i ND ND ND ND ND 101 <br /> 24726 B6 H2O W 960,b,1,i 93 ND 0 64 67 1 5 100 <br />' 24727 B7 H2O W 700,b,i 11 0 91 050 45 4 6 97 <br /> 24728 B8 H2O W 1200,b,i ND<6 070 3 0 19 25 102 <br /> 1 <br /> 1 <br /> t <br /> 1 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br /> t otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> the reporting limit <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 />' <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 /> gasohne9), 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 water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 va] %sediment,�)no recognizable pattern <br /> DHS Certification No 1644 �� Edward Hamilton,Lab Director <br /> 1 <br />