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f <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 10 Second Avenue South, #D7, Pacheco, CA 94553 <br />McCAMPBELL ANALYTICAL INC. Telephone: 510-798-1620 Fax: 510-798-1622 <br />24 http://www.mec bell.com E-mail: main@mccampbell.com <br />Advanced GeoEnvironmental <br />4005 North Wilson Way <br />Stockton, CA 95205 <br />Multi -Range <br />EPA methods modified 8015, and 3550 or <br />Lab ID Client ID <br />81860 P7'-8' <br />Client Project ID: Certified Grocers <br />Date Sampled: 10/15/97 <br />Date Received: 10/16/97 <br />Client Contact: Bill Little <br />Date Extracted: 10/16/97 <br />Client P.O: <br />(Gasoline,Diesel,Motor Oil) TPH as <br />3510; California RWQCB (SF Bay Region) method GCF1D(3550) <br />Matrix TPH(Gas)' TPH(Diesel)' <br />(C6 -C12) (C10 -C23) <br />S ND ND <br />Date Analyzed: 10/16/97 <br />Diesel <br />or GCFID(3510) <br />TPH(MotorOil)° % Recovery <br />(>C18) Surrogate <br />ND 101 <br />81861 <br />P7'-10.5' <br />S <br />ND <br />ND <br />ND <br />101 <br />Reporting Limit unless otherwise W 50 ug/L 50 ug/L 250 ug/L <br />stated; ND means not detected above <br />the reporting limit S 1.0 mg/kg 1.0 mg/kg 5.0 mg/kg <br />" water samples are reported in ug/L, soil and sludge samples in mg/kg, wipes in ug/wipe and all TCLP / SPLP extracts in mg/L <br />" cluttered chromatogram resulting in surrogate and sample peak coelution, or; surrogate peak is on elevated baseline, or; surrogate has been <br />diminished by dilution of original extract. <br />° oil -range compounds are not fully recovered by this GC methodology <br />'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br />interpretation: a) unmodified or weakly modified diesel is significant; b) diesel range compounds are significant; no recognizable pattern; c) <br />aged diesel? is significant); d) gasoline range compounds are significant; e) medium boiling point pattern that does not match diesel(?); f) <br />one to a few isolated peaks present; g) oil range compounds are significant; h) lighter than -water -immiscible sheen is present; i). liquid <br />sample that contains greater than —5 vol. % sediment. <br />DHS Certification No. 1644 /Edward Hamilton, Lab Director <br />