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1500 Newell Avenue,Suite 800 <br /> -� Walnut Creek,California 94596•USA <br /> GEOSYNTEC CONSULTANTS Tel.(925)943-3034•Fax(925)943-2366 <br /> 14 August 2000 <br /> Cts ALG 17 12: 29 <br /> Mr. Robert S. Fagerness <br /> California Regional Water Quality Control Board— <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> Subject: Comments on 7 July 2000 Inspection Report <br /> Western Farm Service, Inc., Vernalis, California Facility <br /> Dear Mr. Fagerness: <br /> We received a copy of your 7 July 2000 report of a 1B compliance inspection you <br /> performed on 22 June 2000 at the Western Farm Service, Inc. (WFS) facility located in <br /> Vernalis, California. The report states that the site is operating a groundwater <br /> remediation project under NPDES Permit No. CA 0084484 (Permit) and that the total <br /> dissolved solids (TDS) of the remediated groundwater limits the availability to <br /> discharge effluent into the receiving waters (irrigation canal). On behalf of WFS, <br /> GeoSyntec would like to comment on these aspects of the inspection report. <br /> In December 1999, GeoSyntec installed a groundwater extraction and carbon <br /> adsorption treatment system at the WFS Vernalis facility. The purpose of the <br /> groundwater extraction and carbon adsorption treatment system is to remove organic, <br /> non-polar chemicals from groundwater beneath the site. <br /> The system was originally designed to extract and discharge untreated groundwater <br /> to Lateral 4 North, an irrigation canal adjacent to the east boundary of the facility. The <br /> proposed groundwater discharge system was subject to the requirements of the Permit. <br /> J:\WFS\SHELL\VER\NPDESVuly 2000 Inspection Rpt..doc <br /> Regional Offices: Laboratories: <br /> Atlanta,GA•Austin,TX•Boca Raton,FL•Chicago,IL Alpharetta,GA•Atlanta,GA <br /> Columbia,MD•Huntington Beach,CA•Walnut Creek,CA Boca Raton,FL <br /> `w, RECYCLED AND RECYCLABLE t <br />