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i <br /> MCCAMPBELL ANALYTICAL INC, 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:51G-798-1620 Fax:510-798-1622 <br /> Stockton Service Station Client Project ID: Country Side Market; Date Sampled:03/05/93 <br /> P.O.Box 508 10848 Copperopolis Rd,Stockton <br /> Date Received:03/06/93 <br /> Stockton,CA 95201 Client Contact:Mike Flores Date Extracted:03/08/93 <br /> Client P.O: Date Analyzed:03/08-03/09/93 <br /> Low Boiling Point (C6-C12) TPH*as Gasoline and BTEX= <br /> EPA methods 5030 modified 8015 and 8020 or 602:California RWQCB SF Ba Re 'on method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(G)+ Benzene Toluene Ethyl Ben- Xylenes %Rec.Sur- <br /> zene rogate <br /> 21733 TK-IN S 4700,b ND<0.25 8.0 12 130 100 <br /> 21734 TK-2S S 1500,b ND<0.025 0.29 1.3 16 103 <br /> 21735 TK-iS S 6500,b ND<0.5 73 35 320 101 <br /> 21736 TK-2N S 770,b ND<0.025 0.039 0.11 3.5 102 <br /> 21737 Stockpile S 9.9,b ND ND 0.007 0.053 100 <br /> Detection Limit unless W 50 ug/L 0.5 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(i soils in mg/kg t <br /> #cluttered chromatogram;sample peak co- 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)�predominatel unmodified orweakly modified gasoline-b)heaviergasoline <br /> rang compounds predominate (agedpgasoline?); c) lighter gasoline range compounds precjommate (the most <br /> mo�ile gasoline compounds);d)heavy and h'eht gasoline range compounds predominate(aged gasoline together <br /> with introduced fight compounds?); e)gasoliGnne range compounds predominate;no recdwable pattern;r) one <br /> to a few isolated peaks present;g) strongly aged gasoline or diesel range <br /> compounds predominate. <br /> I1 Edward Hamilton,Lab Director <br />