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110 2nd Avenue South,#137,Pacheco,CA 94553 <br /> ' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> r� <br /> Advanced GeoEnvironmental Client Project ID Chase Chevrolet- Date Sampled 07/17/95 <br /> 1803 West March Lane,Ste A Madison <br /> Date Received 07/21/95 <br /> ' Stockton,CA 95207 Client Contact Kevin McKibben Date Ex1racted 07/25/95 <br /> kl;lent P O JDate Analyzed 07/25/95 <br /> ' Total Recoverable Petroleum Hydrocarbons as Oil&Grease(with Silica Gel Clean-up) by Scanning IR Spec- <br /> trometry* <br /> EPA method 418 1 or 9073 Standard Methods 5520 C&F <br /> Lab ID Client ID Matrix TRPH+ <br /> 54571 GP 16/7-17-95 W ND <br /> ' 54572 GP 17/7-17-95 W 15 <br /> Reporting Limit unless other- W 10 mg/L <br /> ' wise stated,ND means not de- <br /> tected above the reporting limit S 10 mg/kg <br /> *water samples are reported in mg/L and soils in mg/kg <br /> #E surrogate diluted out of range <br /> t At the laboratory's discretion,one positive gain le may be run b direct infection chromatoggraphy with FID <br /> detection The following comments ppertain to this C result a)gasoline-range compounds(C6-C12)are ppresent, <br /> ' b) diesel range compounds (C10-C23) arepresent, c) oil-range compounds (> C18) are present d) other <br /> ifi <br /> patterned solvent(?),e) isolated peaks,f)GC compounds are absent or insigncant relative to TRP I inferring <br /> that complex biologically derived molecules (lipids?)are the source of IR absorption, 1i) a lighter than dater <br /> immiscible sheen is present,i) liquid sample that contains greater than-- 5 vol % sediment <br /> • ��DHS Certification No 1644 Edward Hamilton,Lab Director <br />