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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)968 9600 FAX(925)988 9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921 0100 <br /> Analytical <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792 1865 FAX(707)792 0341 <br /> Sherwood Labs Project Vogue Cleaners Sampled IO/M98 <br /> P O Box 937 Project Number N/A Received 10/21/98 <br /> Hilmar,CA 95324 Project Manager Ste ham Rossow Reported 11/4/98 <br /> Purgeable Halocarbons by EPA Method 601/Quality Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample. QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Le�cl Result Result Units Recov Limits % Limit % 1Vott <br /> Blank(colltinued) 8110044-BLKI <br /> Trichloroethene 10/28/98 ND ug/1 0 500 <br /> Trichlorofluoromethane ND 0 500 <br /> Vinyl chloride ND " 0 500 <br /> Surrogate Bromochloromethane 100 109 700-130 109 <br /> Surrogate 2 Chlorotoluene 100 890 700-130 890 <br /> LACS 8110044-BSI <br /> Chlorobenzene 10/28/98 200 213 ugll 700-130 <br /> ]OG <br /> 1,1-Dichloroethane 100 125 650-135 125 <br /> Trichloroethene 100 1 1 4 700-130 114 <br /> .Surrogate Broniochloramethane 100 108 700-130 108 <br /> Surrogate 2-Chlorotoluene 100 980 700-130 980 <br /> 8110044-NISI 9810180-02 <br /> fll-'D,chloroethane <br /> oroben/ene 10/28/98 20 0 ND 20 2 ug/1 600-140 101 <br /> 10 0 ND l 1 5 600-140 115 <br /> Trichloroethene 100 ND 106 600-140 106 <br /> Surrogate Bromochloroniethane 100 109 700-130 109 <br /> Surrogate 2-Chlorotoluene 100 990 " 700-130 990 <br /> S810180-02 <br /> Chlorobenzene 10/28/98 200 ND 19 4 ug/l 600-140 970 25 0 404 <br /> I,1-Dichloroethane 100 ND 11 1 600-140 I11 25 0 3 54 <br /> Trichloroethene 100 ND 102 600-140 102 25 0 385 <br /> Surrogate BromochloromeMane 100 103 700-130 103 <br /> Surrogate 2-Chlorotoluene 100 860 " 700-130 860 <br /> 74,nd,C <br /> alytical -Sacramento 'Refer to end of report for teat ofnoles and dcfnMons <br /> � Allhne der, Laboratory Director Page 1 1 of 12 <br />