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+ MCCAMPBELL ANALYTICAL INC 110 2nd Avenue South,#137,Pacheco,CA 94553 <br /> Tele 530-798-1620 Fax 510-798-1622 <br /> • John P Cummings&Associates Client Project ID # 0395016 00, Sierra Date Sampled 12/11/95 <br /> P O Box 2847 Lumber <br /> Date Received 12/13/95 <br /> Fremont,CA 94536-2847 Client Contact John Cummings Date Extracted 12/13/95 <br /> Client P O Date Analyzed 12114-12115/95 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,vwth BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF Ba Re ion method GCFID(5030 <br /> Lab 1D Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec <br /> zene Surrogate <br /> 59443 MW-1 W 21,000,a 5200 1800 510 960 104 <br /> 59444 MW-2 W 170,000,a h 16,000 37,000 3300 18,000 91 <br /> 59445 MW-3 W 730,a 97 180 15 68 104 <br /> • <br /> Reporting Limit unless other- W 50 ug/L 0 5 05 0 5 0 5 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 10 mg/kg 0 005 0 005 0 005 0 005 <br /> * water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/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 <br /> responsible for their interpretation a)unmodified or weakly modified gasoline is significant,b)heavierggasoline <br /> range compounds are sigg�niificant(aged gasoline?),c)lighter gasoline range compounds(the most mobile haction) <br /> are si lificant, d) asolme range compounds having T)road chromata aphtc peaks are significant, biologically <br /> altered gasoline?,e5 TPH pattern that does not appear to be derived om gasoline (7), f) one to a few isolated <br /> peaks present,g)stronglyagedgasoline or diesel ran a 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 />