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Sequoia 680 Chesapeake Drive Redwood CityCA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiger[ane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 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 /> i <br /> Blame Tech/Chevron Project Chevron Sampled 3/5/99 <br /> 1680 Rogers Ave Project Number 9-8264/990305-13 Received 3/10/99 <br /> San Jose,CA 95112 Project Manager Christine Lillie Reported 4/5/99 <br /> Volatile Organic Compounds by EPA Method 801013/Quality Control <br /> Sequoia Analytical- Petaluma <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte <br /> Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9030182 Date Prepared_315/99 Extraction Method EPA 5030 waters <br /> Blank 9030182-BLKI <br /> Bromodichloromethane 3/5199 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 /> Dlbromochloromethane 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 />�14-Dichlorobenzene ND 0 500 <br /> Dichlorodifluoromethane ND 0 500 <br /> 1,1-Dichloroethane ND 0 500 <br /> 1,2-Dlchloroethane ND 0 500 <br /> 1 1-Dichloroethene ND 0 500 <br /> cis-l,2-Dlchloroethene ND 0 500 <br /> trans-l,2-Dichloroethene ND 0 500 <br /> 1,2-Dlchloropropane ND 0 500 <br /> cis-1,3-Dichloropropene ND 0 500 <br /> trans-l,3-Dichloropropene ND 0 500 <br /> Freon 113 ND 0 500 <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 1-Trichloroethane ND 0 500 <br /> Trichloroethene ND 0 500 <br /> Trichlorofluoromethane ND 0 500 <br /> Vinyl chloride _ _ ND 0 500 _ <br /> Surrogate Broirtochloromethall e 300 290 96 7 <br /> Surrogate l 4-Drchloroburane 300 304 /01 <br /> Blank 9030182-BLK2 <br /> Bromodichloromethane 318199 ND ug/l 0 500 <br /> Bromoform ND 0 500 <br /> Bromomethane ND 0 500 <br /> Carbon tetrachloride ND 0 500 <br /> Sequoia Analvtical - Petaluma *Refer to end of report for text of nores and definitions <br /> Pace 13 of 23 <br />