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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 (9Z5)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-010 0 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma. CA 94954 (707) 792-1865 FAX(707)79Z-0342 <br /> 0 <br /> Blaine Tech/Chevron Project Chevron Sampled 3/5/99 <br /> 1680 Rogers Ave Project Number 9-82641990305-J3 Received 3/10/99 <br /> San Jose,CA 95112 Project Manager Christine Lillie Reported 4/5/99 <br /> Serruvolatrle Organic Compounds by EPA Method 8270B/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> LCS(continued) 9030246-BSI <br /> 4-Nrtrophenol 3127199 150 106 ug/1 140-121 70 7 <br /> N-Nltrosodl-n-propylarrune 100 493 180-104 49 3 <br /> Pentachlorophenol 150 120 It 0-117 800 <br /> Phenol 150 643 7 00-;00 429 <br /> Pyrene 100 447 220-127 447 <br /> € 2 4-Trlchlorobenzene _ _ " _ 100 54_9 18 0-98 0 549 _ <br /> Surrogate Z-Fluorophenol 150 - 62 0 21 0-100 41 3 <br /> Surrogate Phenol-d6 150 695 10 0-94 0 463 <br /> Surrogate Nurobenzene-d5 100 465 350-114 465 <br /> Surrogate 2-Fluorobiphenyl 100 515 43 0 116 515 <br /> Surrogate 2 4 6-7'ribromophenol 150 936 100-123 624 <br /> Surrogate Terphenyl-d14 100 63 9 340-141 63 9 <br /> LCS Dug 9030246-BSD1 <br />.Acenaphthene 3/27/99 100 63 8 ug/I 240-114 63 8 21 0 6 52 <br /> 4-Chloro-3-methyl phenol 150 71 7 270-100 478 140 1 04 <br /> 2-Chlorophenol 150 772 19 0-94 0 51 5 400 9 14 <br /> 1 4-Dichlorobenzene 100 563 14 0-95 0 56 3 190 2 52 <br /> 4-Nrtrophenol 150 112 140-121 74 7 23 0 5 50 <br /> N-Nitrosodi-n-propylamine 100 472 180-104 472 320 4 35 <br /> Pentachlorophenol 150 114 11 0-1 l7 760 160 5 13 <br /> Phenol 150 71 7 700-100 478 21 0 108 <br /> Pyrene 100 394 22 0-127 394 200 126 <br /> 1,2,4-Tnchlorobenzene 100 --676 <br /> 53 7 _ _ _ l8 0-98 0 53 7 140 2 21 <br /> Surrogate Z-Fluorophenol _ 150 67 6 21 0-100 45 1 <br /> Surrogate Phenol-d6 150 73 8 10 0-94 0 492 <br /> Surrogate Nitrobenzene-d5 100 45-5 350-114 455 <br /> Surrogate Z-Fluorobiphenyl 100 476 430-116 476 <br /> Surrogate 2 4 6-Trrbromophenol 150 849 100-123 566 <br /> Surrogate Terphenyl-d 14 100 558 340 141 558 <br /> deL <br />`Sequoia Analvttcal - Petaluma *Refer to end of report for tent of notes and deftnmons� <br /> Page 21 of 23 <br />