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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> John P Cummings&Associates Client Project ID # 0395016 00, Sierra Date Sampled 06/12/96 <br /> 1' O Box2847 Lumber Date Received 06/14/96 <br /> Fremont,CA 94536-2847 Client Contact John Cummings Date Extracted 06/17-06/18/96 <br /> Client P O Date Analyzed 06/17-06/18/96 <br /> Gasoline Range(C6-Cl2) Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> LI'A methods 5030 modified 8015 and 8020 or 602 California RW CB SF Bay Re ion method GCFIb(5030 <br /> Lab iD Client ID Marrs- TP9(g)+ MTBE Benzene Toluene Ethylben- Xylenes % Rec <br /> zene y Surrogate <br /> 65938 MW-1 W 12,000,a ND< 50 2200 740 320 910 101 <br /> 65939 MW-2 W 140,000,a ND< 250 6200 33,000 3900 19,000 99 <br /> 65940 MW-3 W 1600,a ND< 5 120 370 39 180 104 <br />• <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected <br /> above the reporti.,g iunrt 5 1 0 Ing/4 0 05 0 005 0 005 0 005 0 005 <br /> * water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> f- The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation a) unmodified or weaklymodified gasoline is significant,b)heavier gasoline <br /> range compounds are significant(aged gasohne7),c)Itghter asoline range compounds(the most mobile fraction) <br /> aie significant, d) asoline range compounds having broadchromatographic peaks are significant, biologically <br /> altered gasoline?, e} TPH pattern that does not appear to be derived liom gasoline (9), f) one to a few isolated <br /> peaks present,g)stronglyaged 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 />• <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />