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MAR 31 IYYY 8 JUAM N4 7730^P 8/24-- <br /> Sequoia <br /> /24"Sequoia "Oe aAve Redwood Gly CA 94063 (d5o)364-9600 FAX(650)364-9233 <br /> 404 N Wlget lane Walrwt Creek.CA 94599 (925)988-9600 FAX(925)989-9673 <br /> � r Analytical 919 Striker Avenue Sodte a Sacramento CA 95834 (9116)921-9600 FAX(916)921-0100 <br /> 1455 McDowell 81vd i4orth Ste D fetalurr"X CA 94954 (707)792-1665 FAX(707)792-0342 <br /> 1551 Industnal Road San Carlos,CA 94070-4111 (650)232 9600 FAX(630)232-9612 <br /> fv=n �m+ — �rruh—nu�niu'w n+ 1u u„ Lwin= a <br /> "111i,�_r_�'Inux'- _ h ,I�� 1111=rfl� <br /> `- EnVlronmental R950I r t1OnS ainy= ' 1lFF, lun4—i�fl--- nr�r—��+�� <br /> Client Prof ID ERI 227903, Unocal 509A " -''ill' "�`—_"'"-"' <br /> " 74 Dlgnal Drive. Suite 6 Sampled 01/26/99 <br /> Novato, CA 94949 Sample Descrlpt 5-50-19D Recelved 01/27/99 <br /> Matrnc- SOLID <br /> Attention Mark Art$Iysl$Method EPA 8260 Analyzed 02/09/99 ��t <br /> 7t arlkDocmkum _ Lab Number 9901E44-0S <br /> Istrurnent <br /> -" +" - rrlff �"+Illli�-n'Iu �Imr��inP--_� � �I ed02'�I�F��nLL[arlll _-=-�'>nli �IIG���__��gn,F�_ ��Ilr-"Batch Number SP0204998260ERA +n.:�-�FFu,,,_ I>ID GC/MS-2 <br /> Oxygenate Compounds (EPA 8260) <br /> 11nalyte Detectlon Limit <br /> ug/Kg Sample Results <br /> thanol ug/Kg <br /> -f9utanol 25000 <br /> 5000 N D <br /> ethyl t-Butyl Ether(MTBE) 100 N D <br /> 1-Isopropyl Ether(DIP 100 N D <br /> turroEthyl t-Butyl Ether(ETBE) 100 N D <br /> gates <br /> myl Methyl Ether (TAME) 100 N DN 0 <br /> Control Limits% <br /> 1,2-Dich-D,chforaethane d4 70 % Recovery <br /> 121 94 <br /> b <br /> 1 <br />#es reported as N D ware nM P'e--.'{... .._ _ <br /> r-..�+�+ u..a.ry.,.a n►uwa nmrc or aetacUon <br />►EOUOIA ANALYTICAL - ELAP #1210 <br /> Act Manager <br /> Page 6 <br />