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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Telephone:510-798-1620 Fax:510-798-1622 <br /> http:lhvww.mccampbell.com E-mail:main@mccampbell.eom <br /> Advanced GeoEnvironrnental Client Project ID: Certified Grocers Date Sampled: 10/15/97 <br /> 4005 North Wilson Way Date Received: 10/16/97 <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 10/16/97 <br /> Client P.O: Date Analyzed: 10/16/97 <br /> Multi-Range(Gasoline,Diesel,A7otor Oil) TPH as Diesel <br /> EPA methods modified 8015,and 3550 or 3510;California RWQCB(SF Bay Region)method GCF1D(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(Gas)- TPH(Dieself TPH(MotorOil)' %Recovery <br /> (C6-C 12) (C 10-C23) (>C l 8) Surrogate <br /> 81860 P7'-8' S ND ND ND 101 <br /> 81861 P7'-10.5' S ND ND ND 101 <br /> Reporting Limit unless otherwise W 50 ug/L 50 ug/L 250 uglL <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 /> r water samples are reported in ug/L,soil and sludge samples in mg/kg,wipes in uuhvipe and all TCLP 1 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 />