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110 Second Avenue South,#D7, Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' bU Pwww mccampkell corn E-mail main@mccampbell cam <br /> ' Advanced GeoEnvironmental Client Project ID Ripon Farm Service Date Sampled 05/11/98 <br /> t 4005 North Wilson Way Date Received 05/14/98 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 05/14/98 <br /> Client P G Date Analyzed 05114-05/18198 <br /> Diesel Range(C10-C23) Extractable Hydrocarbons as Diesel * <br /> t EPA methods modified 8015,and 3550 or 3510,California RV1'QCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> ' 89246 B 19-10 S 1200,a 102 <br /> 89247 B 19-20 S 1400,a,d 97 <br /> ' 89248 B 19-30 S 23,a 99 <br /> 89249 B 19-35 S ND 96 <br /> ' 89250 B 18-10 S ND 96 <br /> 89251 B 18-20 S 2 7,a,b 96 <br /> ' 89252 B 18-30 S 2 9,a 96 <br /> 89253 B 18-35 S ND 95 <br /> ' 89254 B 20-20 S 490,a 100 <br /> ' 89255 B 21-20 S 170,a 100 <br /> 89256 B 22-20 S 1 l,b 97 <br /> 1 <br /> Reporting Limit unless otherwise W 50 ug/L <br /> ' stated,AID 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 ughtirpc soil and sludge samples in mg/kg,and all TCLP/STLC/SPLP <br /> extracts in uglL <br /> "cluttered chromatogram resulting in coeluied 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 dieseh is significant),d)gasoline range compounds are significant e)medium boiling point pattern that does not match diesel(ry),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 Hanulton,Lab Director <br />