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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 /> 8111 Sinker 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)792-0342 <br /> ATC Associates, Inc Client Prod ID KOK Realty 62581 0001 - Sampled- 06/19/98 <br /> 1260 Graphics Drive Sample Descript MW-5 Received 06/19/98 <br /> ' Modesto, CA 95351-1502 Matrix LIQUID Extracted 06/25/98 <br /> Analysis Method EPA 8015 Mod Analyzed 06/27/98 <br /> ,,'Attention Tom Lutterman _ Lab Number 9806Ep1-03 Reported 06j30198 <br /> QC Batch Number GC0625980HBPEXB <br /> Instrument ID GCHPSA <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Anaiyte Detection Limtt Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 86 <br /> i <br /> Analytes reported as N D were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Project Manager Page 5 <br />