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•680 <br />Sequoia <br />Chesapeake Drive Redwood City CA 94063 <br />404 N Wiget lane Walnut Creek CA 94598 <br />(650) 364-9600 <br />(925) 988-9600 <br />FAX (650) 364.9233 <br />FAX (925) 988-9673 <br />Report Limit Multiplication Factor <br />819 Sinker Avenue <br />Suite 8 Sacramento CA 95834 <br />(916) 921-9600 <br />FAX (916) 921-0100 <br />Analytical <br />1455 McDowell Blvd North Ste D Petaluma CA 94954 <br />1551 Industrial Road San Carlos CA 94070-4111 <br />(707) 792-1865 <br />(650) 232 9600 <br />FAX (707) 792-0342 <br />FAX (650) 232-9612 <br />HP -4 HP -4 HP -4 HP -4 <br />HP -4 <br />HP -4 <br />Surrogate Recovery, % <br />86 79 83 82 <br />01er-Ryan - Dublin <br />Client Project 10 <br />Chevron #"7'7,.5, Ladd lj }y_, � l; Sampled <br />Jan 25-27,1999 <br />6747 Sierra Court, Suite J <br />Sample Matrix <br />Soil <br />Received <br />Jars 29, 1999 <br />Dublin, CA 94568 <br />Analysis Method <br />EPA 5030/8015 gpcL/8020 <br />Reported <br />Feb 10, 1999 <br />Attention Barbara Sieminski <br />First Sample # <br />902-004/4 - <br />TOTAL PURGEABLE <br />PETROLEUM <br />HYDROCARBONIISrwitf11 BT_EX/_MTBE <br />Reporting <br />Sample <br />Sample Sample Sample <br />Sample <br />Sample <br />Analyte Limit <br />l D <br />I D I D I D <br />I D <br />I D. <br />mg/Kg <br />902-0044 <br />902-0045 902-0046 902-0047 <br />902-0048 <br />902-0049 <br />MW1-5 5 <br />MW1-8 MW1-12 MW1-19 5 <br />MW1-29 <br />MW1-38 <br />Purgeable <br />Hydrocarbons 1 0 <br />N D <br />N D N D N D <br />N D <br />N D <br />Benzene 00050 <br />0 010 <br />N D N D N D <br />N D <br />N D <br />Toluene 00050 <br />N D <br />N D N D N D <br />N D <br />N D <br />Ethyl Benzene 00050 <br />N D <br />N D N D N D <br />N D <br />N D <br />latal Xylenes 00050 <br />00070 <br />00093 0 015 N D <br />N D <br />N D <br />MTBE 0 050 <br />018 <br />029 N D N D <br />N D <br />N D <br />Chromatogram Pattern <br />-- <br />cauainy uoncroi uaia <br />Report Limit Multiplication Factor <br />1 0 1 0 10 10 <br />10 <br />10 <br />Date Analyzed <br />2/4/99 2/4/99 2/4/99 2/4/99 <br />2/4/99 <br />2/4/99 <br />Instrument Identification <br />HP -4 HP -4 HP -4 HP -4 <br />HP -4 <br />HP -4 <br />Surrogate Recovery, % <br />86 79 83 82 <br />77 <br />88 <br />(QC Limits = 40-140%) <br />Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br />Anaiyies reported as N 0 were not detected above the stated reporting limit <br />SEQUOIA ANALYTICAL #1271 <br />IA AOY <br />anne Fegley <br />Project Manager <br />9020044 GET a 1 > <br />