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Sequoia 680 Chesapeake Dave Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 11 Wiget Lane Walnut Cr"k,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite F Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 10 1 <br /> ' ground Zero Analysis Client Project 10 95-006/ Knowles Aoek Sampled Oct 13, 1995 <br /> 3422 W Hammer Lane, #C-294 Sample Matrix Air Received Oct 13, 1995 <br /> Stockton, CA 95219 Analyses Method EPA 5030/8015/8020 Reported Oct 19, 1995 <br /> Attention Justin Power First Sample# 510-0575 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample Sample <br /> Analyte Limit I D 10 <br /> mg/m3 510-0575 510-0576 <br /> ' KRVW6 KRVW3 <br /> 30 Inf 30 Inf <br /> Purgeable <br /> Hydrocarbons 50 18,000 20,000 <br /> Benzene 0 050 1,000 520 <br /> Toluene 0 050 960 520 <br /> i I <br /> Ethyl Benzene 0 050 150 100 <br /> 1 <br /> Total Xylenes 0 050 510 380 <br /> I <br /> Chromatogram Pattern Gasoline Gasoline <br /> G6-C12 G6-C12 <br /> i <br /> Quality Control Data <br /> fr Report Limit Multiplication Factor 200 200 <br /> Date Analyzed 10/16/95 10/16/95 <br /> Instrument ldentiflcation GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 99 88 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> EQUOIA ANALYTICAL, ELAP #1624 <br /> Janetan <br /> Project anagen <br /> 5100569 GGG <2> <br />