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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650) 364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> rY 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Tech/Chevron Project Chevron Sampled 315/99 <br /> 1680 Rogers Ave Project Number 9-8264/990305-J3 Received 3/10199 <br /> San Jose,CA 951 12 Project Manager Christine Lillie Reported 415/99 <br /> Volatile Organic Compounds by EPA Method 8010B/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Linut Recov RPD RPD <br /> AnaEyte Analyzed Level Result Result Units Recov Limits % Limit % ?Dotes* <br /> Blank(continued) 9030182-BLK4 <br /> Dichlorodifluoromethane 3/10/99 ND ug/I 0 500 <br /> l,1-Dichloroethane ND 0 500 <br /> l 2-Dichloroethane ND 0 500 <br /> 1 I-Dichloroethene ND 0 500 <br /> cis-1,2-Dichloroethene ND 0 500 <br /> trans-1,2-Dichloroethene ND 0 500 <br /> 1 2-Dichloropropane ND 0 500 <br /> cls-1,3-Dichloropropene ND 0 500 <br /> trans-l,3-Dichloropropene ND 0 500 <br /> Freon 133 ND 0500 <br /> Methylene chloride ND 0 500 <br /> l 1 2,2-Tetrachloroethane ND 0 500 <br /> Tetrachloroethene ND 0 500 <br /> 1 1,2-Trichloroethane ND 0 500 <br /> 1 1 I-Trichloroethane ND 0 500 <br /> Trichloroethene ND 0 500 <br /> Tnehlorofluoromethane ND 0 500 <br /> Vinyl chloride ND 0 500 <br /> Surrogate Bromoehloro;retharre 300 281 A 93 7 <br /> Surrogate 14-Dichlorobutane 300 302 101 <br /> Blank 9030182-BLK5 <br /> Bromodichloromethane 3/11/99 ND ug/l 0 500 <br /> Bromoform ND 0 500 <br /> Bromomethane ND 0 500 <br /> Carbon tetrachloride ND 0 500 <br /> Chlorobenzene ND 0 500 <br /> Chloroethane ND 0 500 <br /> 2-Chloroethylvinyl ether ND 500 <br /> Chloroform ND 0 500 <br /> Chloromethane ND 0 500 <br /> Dibromochloromethane ND 0 500 <br /> 1 2-Dibromoethane(EDB) ND 0 500 <br /> 1 2-Dichlorobenzene ND 0 500 <br /> 1 3-Dichlorobenzene ND 0 500 <br /> 1 4-Dichlorobenzene ND 0 500 <br /> Dichlorodifluoromethane ND 0 500 <br /> 1 1-Dichloroethane ND 0 500 <br /> 1 2-Dichloroethane ND 0 500 <br /> I I-Dichloroethene ND 0 500 <br /> cis-1 2-Dich€oroethene ND 0 500 <br /> Sequoia Analytical Petaluma *Refer to end of report for text of notes and definitions <br /> Page 16 of 23 <br />