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110 tad Avenue South,#D7,Pacheco, CA 94553 <br />' McCAMPBELL ANALYTICAL INCT Tele 510-798-1620 Fax 510-798-1622 <br />' Advanced GeoEnvironmental Client Protect ID Wastevt-ater-MUD Date Sampled 05116-05/19/95 <br /> 1803 West March Lane, Ste A Date Received 05/20/95 <br />' Stockton,CA 95207 Client Contact Bob Marty Date Extracted 05/22/95 <br /> Client P O Date Analyzed 05/22/95 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 modified 8013 and 8020 or 602 California RW CB SF Bat Re ion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec <br />' zene y Surrogate <br /> 52690 MW1-20 S ND ND ND ND ND 104 <br />' 52691 M W 1-25 S ND ND ND ND ND 107 <br /> 52693 BI-10 S 260,a 37 11 58 31 111# <br />' 52694 Bl-15 S ND ND ND ND ND 106 <br /> 52695 B2-10 S 3 l,b,c 043 ND 0 007 0 009 104 <br />' 52696 B2-15 S ND ND ND ND ND 104 <br /> 52697 B3-10 S ND,b ND ND ND 0 006 105 <br />' 52698 B3-15 S ND ND ND ND ND 103 <br /> 52700 B4-15 S ND ND ND ND ND 105 <br />' 52701 B4-20 S ND ND ND ND ND 105 <br />' Reporting Limit unless other- W 50 ug/L 05 05 05 05 <br /> Nvise 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 iapor 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 sig�iiiil-icant,b) heavier gasoline <br /> range compounds are si�cant(aged gasoline?),c)li tergasoline range cornpounds(the most mobile fraction) <br /> are significant, d) gasolme range compounds having Poad chromatographic peaks are significant, biologicall <br /> altered gasoline?,e TPH pattern thaf does not appear to be derived from gasoline (?),fl one to a few isolate <br />' peaks present,g)strongiyaged gasoline 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,3) no recognizable pattern <br />' DHS Certification No 1644 �� EdANard Hamilton,Lab Director <br /> 1 <br />