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-1 <br /> .t <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 124 McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwmccampbellcom E-mail main@mccampbell com <br /> • <br /> Ground Zero Analysts,Inc Client Project ID #256,Gabbard Date Sampled 10125-10/27/99 <br /> 1714 Main Street Date Received 10/29/99 <br /> Escalon,CA 95320 Client Contact John Lane Date Extracted 10/29-11101/99 <br /> Client P O Date Analyzed 10/29-11/05/99 <br /> Diesel Range(C10-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 /> 24354 GAB S134-20 S ND 99 <br /> 24355 GAB SB4-31 S ND 101 <br /> 24356 GAB SB4 GW 26 W 110,b,g 102 <br /> 24359 GAB SB5-20 S ND 101 <br /> 24360 GAB S135-31 S ND 99 <br /> 24361 GAB SB5 6W-26 W 820,b,d 108 <br />• 24363 GAB SB6-15 S ND 99 <br /> 24364 GAB S136-20 S 1800,e 100 <br /> 24365 GAB S136-31 S ND 105 <br /> 24366 GAB SB6GW-26 W 160,b III <br /> 24370 GAB SB7-20 S ND 100 <br /> 24371 GAB S137-31 S ND 103 <br /> 24372 GAB SB7GW24 W ND 114 <br /> 24375 GAB S138-20 S ND 100 <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br /> the reporting limit S 10 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 coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> diminished by dilution of original extract <br /> -ne following descriptions of the TPH chromatogram are cursory to 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 <br /> (kerosene'?),f)one to a few isolated peaks present,g)oil range compounds are significant,h)lighter than water immiscible sheen is present, <br /> i)liquid sample that contains greater than—5 vol %sediment <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />