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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 /> The Mark Group Client Project ID # 95-1104801 60, Date Sampled 03/31/95 <br /> Hookston Square,# 120 Hmaman Trust Date Received 03/31/95 <br /> 1 3480 Buskirk Avenue Client Contact Jeff Fiedler Date Extracted 03/31/95 <br /> Pleasant Hill,CA 94523 Client P O # 1450 Date Analyzed 04/01/95 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF Ba Re on method GCF1D 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethyyllbeen Xylenes Surrogate <br /> 51302 B1G-13' S ND ND ND ND ND 97 <br /> ' 51304 B2-3' S 170,b 0 051 015 030 10 102 <br /> 51305 B3-7' S ND ND ND ND ND 100 <br /> ' 51306 B4-7S ND ND ND ND ND 104 <br /> ' Reporting Limit unless other- W 50 ug/L 05 05 05 05 <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 descrtptions of the TPH chromatogram are cursory m nature and McCampbell Analytical is not <br /> responsible for their interpretation a) unmodified or weakly modified gasoline is siuf'icant,b) heavier gasoline <br /> range compounds are sn�tcant(aged gasoline?),c)lighter�asolme range compounds(the most mobile fraction) <br /> are siccant, d) soline range compounds having broad chromatographic peaks are significant, biologically <br /> altered gasoline?,e�TPH pattern that does not appear to be derived from gasoline (?),f) one to a few isolated <br /> ' peaks present,g)stronglyaged gasoline or diesel ran a compounds are significant,h)lighter than water immiscible <br /> present,sheen is i) hquidd sample that contains greater than— 5 vol %sediment,,/) no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />