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162—U4-1y' 4 bs 10(t-1 I rKU1 I I Ict-ampne i i I L.l <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. 'fele,510-798-1620 Fax 510-798-1622 <br /> t <br /> The Mark Group Client Project ID #921177102 34,Stockton Date Sampled 01/28/94 <br /> Hookstonuare,# 170 Scavenger <br /> �1 Date Received 01/28/94 <br /> 3450 Buskirk Avenue Chent Contact Robert Spare Date EAracted.01128-02103/94 <br /> Pleasant Hill,CA 94523 Lciii O-#412 Date Analyzed 01128-OV03/94 <br /> Gasoline Range(C6.C12)Volatile Hydrocar as as Gasoline*,with MX* <br /> EPA methods modified 8015 and 5024 or 6M Californuat RW CB SF Ba Re on ma[hod GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes %Rec. <br /> zene Surrogate <br /> 34046 MW 1R W ND ND ND ND ND 94 <br /> 34047 MW2R W 1900,b,c 410 24 110 59 99 <br /> 34048 MW3R W 120,c ND ND ND ND 108 <br /> 34049 MW4 W ND,c ND ND ND ND 97 <br /> Detection Limit unless other- W 50 ug(L 0 5 05 05 05 <br /> wise stated,ND means Not <br /> Detected S 10 mg/kg 0 005 0 005 0 005 0 005 <br /> *water samples are reported in uglL,soil samples in mglkg,and all TCLP enracts in mg/L <br /> 9 cluttered chromatogram,sample peak co-elutes with surrogate peak <br /> 4.The followmg descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation a)unmodified or we modified line is sn cant,b) heavier lune <br /> ram compounds arc significant(aged gasoline?),c)b ter line rarer compounI (the most mobile action) <br /> ofsw=cant d)�asolme range compounds are sn�a Canino recog� =b1c pattern e) TPH pattern that does <br /> appear to be envcd from gasoline {{7} one o a few isolated peaks present,gJ strongly aged gasoline or <br /> 3 diesel range compounds are stgiiibcaiit,h) fighter than water imnuscible phase is present <br /> DHS Certification No 1644 f Edward Hamilton,Lab Director <br />