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1 <br /> 475 141 Street,Suite 450 <br /> -� Oakland,CA 94612-USA <br /> GEOSYNTEC CONSULTANTS Tel (510)836-3034•Fax(510) 836-3036 <br />' i February 2005 <br />' F7_1 MED <br /> Ms Amy Terrell H IE C LL=. <br /> California Regional Water Quality Control Board FEB 0 4 9105 <br />! Central Valley Region ENVIRONMENT HEALTH <br /> 11020 Sun Center Drive#200 PERMIT/SEVICES <br />' Rancho Cordova, CA 95670-6114 <br /> Subject Results of 4th Quarter (November) 2004 Remediation Pilot Study <br /> Monitoring Western Farm Service, Inc , Vernalis, California <br /> Monitoring and Reporting Program No R5-2003-0815 <br /> Dear Ms Terrell <br /> This letter transmits results of the 4th Quarter (November) 2004 Remediation Pilot <br /> Study Monitoring at the Western Farm Service, Inc (WFS) facility in Vernalis, <br /> California (Figure 1) By letter dated 21 September 2001, GeoSyntec received approval <br /> from the California Regional Water Quality Control Board (RWQCB) to implement and <br />' monitor a pilot-scale field test for enhanced in-situ anaerobic bioremediation of volatile <br /> organic compounds (e g 1,2-dichloropropane [1,2-DCP] and 1,2,3-tnchloropropane <br />' [1,2,3-TCP]) and nitrate detected in groundwater <br /> The work described in this report was performed in compliance with the <br /> Remediation Pilot Study Monitoring Program of the RWQCB Monitoring and <br /> Reporting Program No R5-2003-0815 (MRP R5-2003-0815) dated 28 May 2003 The <br /> Remediation Pilot Study Monitoring Program requires quarterly monitoring of <br />' monitoring wells MW-2 and MW-6 and annual monitoring of MW-4 and MW-5 for <br /> constituents outlined in MRP R5-2003-0815 <br /> SAMPLING PROCEDURES <br /> 1 The 4th quarter 2004 remediation pilot study monitoring event at WFS Vernalis <br /> was performed on 23 November 2004 Blaine Tech Services, Inc (Blaine Tech) of <br /> P 1PRJ2003REMd WFSWER1MONF14Q 0410AK04078 doc <br /> �� R6CYCLLO aN[RCY4�BLL �•n <br />