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i <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, 620 Charter Way Sampled May 28, 1993 <br /> 985 Timothy Drive Sample Matrix Water Received Jun 2, 1993 <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015/8020 Reported Jun 9, 1993 <br /> Attention Jim Keller First Sample # 3F13201 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limtt 1.101 1 D 1.101 I.D. I.D. I D <br /> pg/L 3F13201 31713202 3F13203 3F13204 3F13205 3F13206 <br /> MW-1 MW-2 MW-3 MW-4 MW-5 MW-6 <br /> Purgeable <br /> Hydrocarbons 50 N D 130,000 2,900 81,000 N D N D <br /> Benzene 050 N D 800 21 990 0 86 N D <br /> Toluene 050 N D 2,800 11 3,900 N D N D <br /> Ethyl Benzene 050 M D 680 N D 1,300 N D N D <br /> Total Xylenes 050 N D 18,000 560 13,000 24 N D <br /> Chromatogram Pattern Gas Gas Gas Discrete Peaks - <br /> Clualdy Control Data <br /> Report Limit Multiplication Factor 10 200 10 400 10 ' Q <br /> Date Analyzed 6/7/93 6/7/93 6/8/93 6/7/93 6/7/93 6/7/93 <br /> Instrument Identdication GCHP-3 GCHP-3 GCHP-2 GCHP-3 GCHP-3 GCHP-3 <br /> Surrogate Recovery, % 88 128 102 100 88 85 <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 /> *SEQUOINANALYTICAL <br /> l <br /> eC nagger 3F13201 BLA <1> <br /> i �r <br /> -J <br />