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Sequoia 404 N. ,CA Lane <br /> Walnut Creel.CA 94598 <br /> C- ) <br /> (925)988-9600 <br /> Analytical <br /> FAX(925)988-9673 <br /> _. <br /> Roy F. Weston, Inc. Client Project ID: Home Depot,Tracy Sampled: May 12, 1999 <br /> 2300 Clayton Rd., Ste 1580 Sample Descript: Water, GW-3 Received: May 13, 1999: <br /> Concord, CA 94520 Analysis Method: EPA 8080 Extracted: May 17, 1999 : <br /> Attention: Scott Lookingbill Lab Number: 905-0777 Analyzed: May 19, 1999:::; <br /> Reported: Jun 2, 1999::: <br /> ::::.................................................................................................................................................................................................................... ..................................................................:.:: <br /> QC Batch Number: 05V9339 <br /> Instrument ID: <br /> ORGANOCHLORINE PESTICIDES AND PCB'S (EPA 8081) <br /> Analyte Detection Limit Sample Results <br /> Ng/L Ng/L <br /> Aldrin.................................................................................. 0.025 ..................................... N.D. <br /> alpha-BHC......................................................................... 0.025 ..................................... N.D. <br /> beta-BHC........................................................................... 0.025 ..................................... N.D. <br /> delta-BHC.......................................................................... 0.025 ..................................... N.D. <br /> gamma-BHC (Lindane)..................................................... 0.025 ..................................... N.D. <br /> Chlordane.......................................................................... 0.50 ..................................... N.D. <br /> 4,4'-DDD............................................................................ 0.15 ..................................... N.D. <br /> 4,4'-DDE............................................................................. 0.050 ..................................... N.D. <br /> 4,4'-DDT............................................................................. 0.15 ..................................... N.D. <br /> Dieldrin.............................................................................. 0.050 ..............I...................... N.D. <br /> EndosulfanI...................................................................... 0.050 ..................................... N.D. <br /> EndosulfanII..................................................................... 0.050 ..................................... N.D. <br /> Endosulfansulfate............................................................. 0.15 ..................................... N.D. <br /> Endrin................................................................................ 0.050 ..................................... N.D. <br /> Endrinaldehyde................................................................ 0.15 ..................................... N.D. <br /> Heptachlor......................................................................... 0.025 ..................................... N.D. <br /> Heptachlorepoxide.......................................................... 0.025 ..................................... N.D. <br /> Methoxychlor.................................................................... 0.50 ..................................... N.D. <br /> Toxaphene......................................................................... 2.0 ..................................... N.D. <br /> Surrogates Control Limit% % Recovery <br /> TCMX................................................................................. 40 130..................................... 51 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL, #1894 <br /> C�' A <br /> anne Fegley <br /> Project Manager <br /> 9050775.RFW <6> <br />