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r <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX(415) 364-9233 <br /> Blaine Tech Services, Inc Client Project ID Shell 4445 N Pershing Ave Stockton Sampled Apr 28 1993 <br /> 1 e p p <br /> 985 Timothy Drive Sample Matrix Water Received Apr 29 1993 <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015/8020 Reported May 5 1993 <br /> Attention Glen Bennett First Sample # 3DD9101 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I D I D I D I D <br /> erg/L 3DD9101 3DD9102 3DD9103 3DO9104 3DD9105 3DD9106 <br /> MW-1 MW-2 MW-3 MW-4 DUP Trip Blank <br /> Purgeable <br /> Hydrocarbons 50 N D N D 160 79 160 N D <br /> Benzene 050 N D N D N D 36 N D N D <br /> Toluene 050 N D N D N D N D N D N D <br /> Ethyl Benzene 050 N D N D N D 30 N D N D <br />• Total Xylenes 050 N D N D 063 62 N D N D <br /> Chromatogram Pattern Discrete Gas Discrete <br /> Peak Peak <br /> Quality Control Data <br /> Report Limit <br /> Multiplication Factor 1 0 10 1 0 1 0 10 1 0 <br /> Date Analyzed 5/3/93 5/3/93 5/3/93 5/3/93 5/3/93 5/3/93 <br /> Instrument Identification GCHP-3 GCHP-3 GCHP-3 GCHP-3 GCHP-3 GCHP-3 <br /> Surrogate Recovery, % 102 102 102 92 91 106 <br /> (QC 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 /> SEQU0lA ANALYTICAL <br /> ProfecVManager 3DD9101 BLA <1> <br /> I <br />