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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> P//www mccampbell coin E-mail main@mccampbell com <br /> • <br /> Ground Zero Analysts,Inc Client Protect ID #256, Gabbard Date Sampled 10/25-I0/27/99 <br /> 1714 Main Street Date Received 10/29/99 <br /> Escalon,CA 95320 Client Contact John Lane Date Extracted 10/29-11/01/99 <br /> Client P O Date Analyzed 10/29-11/05/99 <br /> Diesel Range(CIO-C23)Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)- %Recovery <br /> Surrogate <br /> 24376 GAB SB8-31 S ND 110 <br /> 24377 GAB SBGW-26 W ND 116 <br /> 24378 GAB SB6-25 S ND 96 <br />• <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br /> the reporting limit S 1 0 mg/kg <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP/STLC/SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram resulting in coelutcd surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> diminished by dilution of original extract <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(1),t7 <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 />