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1 <br /> I <br /> 1 McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele.510-798-1620 Fax 510-798-1622 <br /> The Mark Group Client Project ID- #921177103; Stockton Date Sampled 07/19/94 <br /> Hookston Square,# 120 Scavenger <br /> Date Received 07/19/94 <br /> 1 X480 Buslark Avenue Client Contact Alan Gibbs Date E=acted 07/19/94 <br /> Pleasant Hill,CA 94523Cliznt p p 7Datr Analyzed 07/19/94 <br /> 1Gasoline Range(C6-Cl2)Volatile Hydrntarbons as G=olioe,with BTEX* <br /> RPA methods 5030.modified 8015 and 8020 or 6M Califort+ta RW CB SF Bay Region)method GCPII) 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rcc <br /> 1 zone Surrogate <br /> 36758 MW 4 W ND ND IIID ND ND 103 <br /> 1 36759 M W 3 W ND ND ND ND ND 105 <br /> 36760 MW I W ND ND ND ND ND 106 <br />' 36761 MW 2 W 3600,c,b 880 17 230 97 113 <br /> 1 <br /> M <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> Detection Limit unless other- W 50 ug/L 05 0,5 05 05 <br /> wise stated,ND means Not <br /> Detected S 10 mg/kg 0 005 0 005 0 005 0 005 J_ <br /> `water samples are reported in ug/L,soil samples in mglkg,and all TCLP e4mm m mg/L <br /> 1 14!cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> +;The fallowing descriptions 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 scant,b)heavier�asoluic <br /> range compounds Bre significaat(agr gasoline?),c� ter�saLne range cotnpou s(the most mobil¢iractivn} <br /> are sigut'icaat d)dpwBe range compounds are si tenf,no recognizable pattern e)TPH pattern that does <br /> not appear to be enved from gasoline (?) ��}}one o a few isolated peaks present;gl strongly aged gasoline or <br /> diesel range compounds are significant, )�igtiter than water mim=ible phase is present <br /> DHS Certification No 1644 "IV Edvmrd Hamilton,Lab Director <br /> 1 <br />