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Redwood 680 Chesapeake Drive d City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget lane Walnut Creek.CA 94598 (510)988-9600 FAX(516)988-9673 <br /> $t9 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North,Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> _.`..ter—..» —— __r —_�µ.......�—_��:•^,•r,•r�—"'i = _ — »sir—=_=���_.._..»::.»»_ — —___ y� =µ„= --...�� <br /> settler Ryan Geostrategles — ~Ghent Proi ID _ s Chevron 9-6171, Stockton � Sampled 05/11/98 J <br /> X747 Sierra Court Suite J Sample Descnp# 4W-1 Received 05/11/98 9 <br /> hiblin, CA 94568 Matrix LIQUID ed <br /> Analysis Method EPA 8260 Analyzed 05/14/98 - <br /> kttention DeannaHarding Lab Number 9805584-08 _Reported 06/02/98 <br /> Batch Number�MS051398MTBEF2A <br /> strument ID F2 <br /> Oxygenate Compounds (EPA 8260) <br /> 4nalyte Detection Limit Sample Results <br /> ug/L ug/L <br /> thanol 1200 N D <br />-Butanol 250 N D <br /> ND <br /> Methyl t-Bury! Ether (MTBE) 50 N D <br /> Di-Isopropyl Ether DIPE) 50 <br /> Ethyl t-Butyl Ether PBE) 50 N D <br /> t-Amyl Methyl Ether(TAME) 50 N D <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichioroethane-d4 76 114 95 <br /> i� <br /> knalytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Page <br /> roiect Manager 8 <br />