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SEQUOIA� A ANALYTfCAL <br /> ' 1900 Bates Avenue • Suite LM • Concord California 94520 <br /> (510) 686-9600 • FAX (510) 686-9659 <br /> el <br /> M-WestClient Pro)ect ID #157201 us, tockton/CatellSwwn77 BotelhoDr, Sie 260 Sampled Mar 5, 1993 <br /> Sample Matrix Water Received Mar 5, 1993 <br /> alnut Creek, CA 94596 Analysis Method EPA 8 <br /> 8015 5030 020 <br /> / / Reported Mar 17, 1993 <br /> Attention Bruce Pfaff <br /> First Sample# 303-0201 <br /> 1 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample Sample Sample Sample Sample Sam le <br /> Analyte Limit I D. p <br /> I D. I.D. I D. <br /> ' k9/L 303-0201 303-0202 303-0203 303-0204 303-0205 303-0206 <br /> MW 1 MW 2 MW 3 MW 4 MW 5 MW 1A <br /> Purgeable <br /> ' Hydrocarbons 50 N D N D N D N D 4,300 49,000 <br /> ' Benzene 0 5 N D N D N D N D 1,100 14,000 <br /> Toluene 05 N D N D N D N D 190 5,800 <br /> Ethyl Benzene 05 N D N D N D N D 260 1,900 <br /> Total Xylenes 0 5 N <br /> N D N D N D 530 7,600 <br />' Chromatogram Pattern _ <br /> Gasoline Gasoline <br /> 1 <br /> Duality Control Data <br /> Report Limit Multiplication Factor 10 10 <br /> 10 10 10 100 <br />' Date Analyzed 3/8/93 3/8/93 3/9/93 3/10/93 3/9/93 3/10/93 <br /> Instrument Identification HP-4 HP-4 HP-5 HP-4 HP4 HP-4 <br />' Surrogate Recovery, % 99 99 108 102 102 105 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br />' Analytes reported as N D were not detected above the stated reporting limit <br /> EflUOIA AN <br /> Kenneth K F Lee <br /> Laboratory Director <br /> 3030201 ERM <1> <br />