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McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax:510-798-1622 <br /> Stockton Service Station Client Project ID: Hendrix& Sons Truck; Date Sampled:04/08/93 <br /> P.O.Box 508 3730 Munford,Stockton <br /> Date Received:04/09/93 <br /> Stockton,CA 95201 Client Contact:Mike Flores Date Extracted:04/12/93 <br /> Client P.O: Date Analyzed:04/12/93 <br /> Low Boiling Point (C&C12)TPH*as Gasoline and BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602•California RWQCB SF Bay Re 'on method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(G)+ Benzene Toluene Ethyl Ben- Xylenes %Rec.Sur- <br /> zene rogate <br /> 30082 TK1 South S ND,e ND ND ND ND 103 <br /> 30083 TK1 North S ND,e ND ND ND ND 105 f ^1 <br /> 30084 Stockpile S S 2.8,e ND ND ND 0.007 97 v <br /> 30085 Stockpile N S 6.5,e,g ND ND ND 0.005 94 <br /> PL <br /> I V <br /> ENVIRONUQ HEAUH <br /> PERMIT ERVICE <br /> Detection Limit unless W 50 ug/L OS 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means Not Detected S 1.0 mg/kg 0.005 0.005 0.005 0.005 <br /> *water samples are reported in ug/L and soils in mg/kg <br /> *cluttered chromatogram;sample peak co-elutes 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) redominal eT unmodified or weakly modified gasoline-b)heavier asoline <br /> range compounds predominate�agedpgasoline?);c�lighter gasoline range compounds predominate (tie most <br /> mobile gasoline compounds);d) ea and li ht gasoline range compoun s predominate(aged ggasoline to ether <br /> with introduced light compounds?);e�gasoltgne range compounds predominate;no recdgtt�zab7e pattern; one <br /> to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds predominate. <br /> _Edward Hamilton,Lab Director <br />