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Ei E-1 <br /> SEQUOIA ANALYTICAL MAY 2' 71993 <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,6131 Pacific Ave Stockton Sampled Apr 28, 1993 <br /> 985 Timothy Drive Sample Matrix Water Received Apr 29, 1993 <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015/8020 Reported May 6, 1993 <br /> Attention Glen Bennett First Sample # 3DD9001 Revised May 25, 1993 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS With BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I D. I D. l D. I D. <br /> pg/L 3DD9001 3DD9002 3DD9003 3DD9004 <br /> MW-1 MW-2 DUP TRIP <br /> Purgeable <br /> Hydrocarbons 50 65 790 70 N D <br /> Benzene 0 50 37 30 43 N D <br /> Toluene 050 N D 1 8 0 64 N D <br /> Ethyl Benzene 050 13 5 5 1 9 N D <br /> Total Xylenes 050 53 3 0 76 N D <br /> Chromatogram Pattern Gas Gas Gas -- <br /> Quality Control Data <br /> Report Umit <br /> Multiplication Factor 1 0 2 0 1 0 1 0 <br /> Date Analyzed 5/3/93 5/3/93 5/5/93 5/3/93 <br /> Instrument Identification GCHP-2 GCHP-3 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 105 79 111 98 <br /> (QC LImrtS = 70-13U%) <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 /> SEQU;ager <br /> L <br /> Y Marra <br /> 3D09001 BLA <1> <br /> Pr <br />