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Sequoia 1455 McDowell Bkvd North Ste D <br /> Petaluma CA 94954 <br /> (707) 792-1865 <br /> �,,,� Analytical FAX (707) 792-0342 <br /> elta Environmental Consultants Project Exxon Sampled 5126199 <br /> Gold Camp Dr Suite 200 Project Number 7-3708117093-809Received 5128199 <br /> i?cpo� ed 6121/94 <br /> 1164 <br /> ancho C ) Clova l 95o7O Pruleu rvienasci inii nrGwnen r� <br /> ' Volatile Organic. Compounds by EPA ylethod 8260E/Quality Control <br /> Sequoia Anal-,tical - Petaluma <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> nalyte Analyzed Level Result Result Units Recov Limits °% Limit % Notcl <br /> lank continued 9060176-BLK3 <br /> C."r-ogale <br /> rogale Dibroniofluoroniethane 6/8/99 500 )2 3 ttglAg 800-120105 <br /> Dtbromofluoromethane 500 523 800-120 105 <br /> Surrogate 1 2-Dichloroethane d4 500 )4 4 800-120 109 <br /> rrogate Toluene d8 500 03 5 81 0-117 107 <br /> rrogate 4 Bromojbioroben_ene 500 55-1 74 0-121 110 <br /> CS 9060176-BSI <br /> ethvI tert-butyl ether 616199 500 51 9 ug/lq 75 8-124 104 <br /> ethvl tert-butyl ether Soo 51 9 75 8--124 104 <br /> Surrogate Dtbromafluororn.thane -)QJ 55 7 800 130 111 <br /> rrogate Dibromofl iorornelhane 50 0 55 7 800-120 Il l <br /> rrogate 1 2-Dichlaroethane-d4 500 59 - i 800-120 119 <br /> Surrogate Toluene d8 500 -550 81 0-117 110 <br /> rrogate 4-Brornolluorobenzene 500 56 8 74 0-121 11.1 <br /> 9060176-BS3 <br /> Meth,,i 'eri-outyi ether 6/17199 500 51 9 ug� 75 124 10a <br /> mmethyl mtert-butyl ether 500 ]1 9 75 8-124 104 <br /> rogate Dibroafluoromethant 500 53 3 $0 0 120 10$ <br /> Surrogate Dtbromofluoromethane 500 533 80 0-1 20 108 <br /> rrogate 1 2-Dtchloroethane-d4 50 0 579 800-120 116 <br /> rrogate Toluene d8 500 54 5 810-117 109 <br /> rrogate 4-Bromofluorobenzene -500 55 9 740-121 112 <br /> S 9060176-BS3 <br /> ethyl ter -butyl ether 618199 500 569 ug/kg 75 8-124 114 <br /> Methyl tert-butyl ether _ 500 56 9 75 8-124 114 <br /> rrogate Dtbromofluoromethane 500 54 4 ;i 800-120 109 <br /> rrogate Dtbromofluoromethane 500 54 4 80 0-120 109 <br /> rrogate 1 2-Dichloroethane-d4 50 0 57 8 800-120 116 <br /> Surrogate Toluene-d8 500 54 4 81 0 117 I09 <br /> rrogate 4 Bromofluorobenzene 500 55 7 740-121 111 <br /> Matrix S ike 9060176-MSI P906018-05 <br /> ethyl tert-butyl ether 616199 50 0 7 44 65 2 ug/kg 75 8-124 116 <br /> ethyl tert butyl e[her _ 50 0 7 44 65 2 _ 75 8-124 116 <br /> rrogate Dtbromofluoromethane 500 529 80 0-120 106 <br /> Surrogate Dtbromofluoromethane 500 52 9 80 0-120 106 <br /> rrogate 12-Dtchloroethane-d4 500 590 80 0-110 118 <br /> rrogate Toluene-d8 500 544 81 0-117 109 <br /> rogate 4-Bromofluorobenzene 500 559 <br /> 74 0-121 112 <br /> uoia Analytical - Petaluma *Refer to end of report for text of notes and definitions <br /> Page 14 of l8 <br />