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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 945 53-5560 <br /> WCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> h"://www.mccampbell.com E-mail:main@mccampbell.com <br /> '6 4 <br /> Advanced GeoEnvironmental Client Project ID: Hess Du Bois Date Sampled:04/18-04/19/01 <br /> 837 Shaw Road Date Received: 04/23/01 <br /> ' Stackton,CA 95215 Client Contact:Bill Little Date Extracted: 04/23/01 <br /> ' Client P.O: Date Analyzed: 04/23-04/26/01 <br /> 7 Oxygenated Volatile Organics By GC/MS <br /> EPA method 8260 modified <br /> Lab ID 65981 65982 65983 65984 <br /> Reporting Limit <br /> Client ID MW8-20 MW8-30 MW8-40 MW8-45 <br /> ' Matrix S S S S S W <br /> ' Compound Concentration* ug/kg ug/L <br /> Di-isopropyl Ether(DIPS) ND ND ND ND 5.0 1.0 <br /> ' Ethyl tent-Butyl Ether(ET13E) ND ND ND ND 5.0 1.0 <br /> Methyl-tert Butyl Ether(MTBE) ND ND ND ND 5.0 1.0 <br /> tert-Amyl Methyl Ether(TAME) ND ND ND ND 5.0 1.0 <br /> ter/-Butanol ND ND ND ND 25 5.0 <br /> ' Methanol ND ND ND ND 2500 500 <br /> ' Ethanol ND ND ND ND 250 50 <br /> Surrogate Recoveries(%) <br /> Dibromofluoromethane 115 114 114 113 <br /> ' Comments: <br /> ' *water samples are reported in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipe and all TCLP I STLC I SDLP extracts in ug/L <br /> ND means not detected above the reporting limit;NIA means surrogate not applicable to this analysis <br /> (h)lighter than water immiscible sheen is present;(i)liquid sample that contains greater than—5 vol.%sediment;6)sample diluted due to <br /> ' high organic content <br /> DHS Certification No. 1644 r -_ Y�Edward Hamilton,Lab Director <br /> 1 f.- <br />