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ENVIRONMENTAL HEALTH*bEPARTMENT <br /> oP��1NX, SAN JOAQUIN COUNTY <br /> Donna K. Heran, R.E.H.S. Unit Supervisors <br /> x Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> Al Olsen, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> • cq:. - ,NSP • Program Manager Telephone: (209)468-3420 Douglas W.Wilson, R.E.H.S. <br /> Laurie A. Cotulla, R.E.H.S. Margaret Lagorio,R.E.H.S. <br /> Program Manager Fax: (209)464-0138 Robert McClellon, R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Jeff Carruesco, R.E.H.S. <br /> SONYA OLBRANTZ DEC U $ 2005 <br /> PREMDOR US HOLDINGS INC <br /> 105 W SWAN STE A <br /> PIEDMONT AL 36272 <br /> RE: Premdor SITE CODE: 0001329 <br /> 433 W. Scotts Ave. <br /> Stockton, CA <br /> San Joaquin County Environmental Health Department (EHD) has reviewed "Additional <br /> Site Assessment Report" dated November 1, 2005, and "Quarterly Report—Third <br /> Quarter" dated November 4, 2005, prepared by Advanced GeoEnvironmental Inc. <br /> (AGE)for the above referenced site. <br /> The highest concentrations of contamination in the soil at this site appear to be in the <br /> area of soil boring B2 that was placed in the area of the former dispenser location. <br /> There is no monitoring well in this area but the grab water samples from B2 and B4 <br /> indicate that groundwater contamination also exists in this area. The only confirmed <br /> groundwater contamination is in the area of monitoring well MW2. Water samples from <br /> the other monitoring wells for the site have been mostly non-detect for contaminants. <br /> The extent of the shallow groundwater contamination appears to be limited. The vertical <br /> extent of the groundwater contamination appears to be limited based on the water <br /> sample results from CPT1. The reports recommend continued quarterly groundwater <br /> monitoring and EHD concurs with that recommendation. <br /> In addition, feasible alternatives for remediation of the contaminated soil and <br /> groundwater at the site should be evaluated. Future reports should recommend <br /> alternatives to be evaluated and a time schedule for conducting any investigation <br /> necessary to evaluate the alternatives. <br /> If you have any questions contact me at (209) 468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> Margaret Lagorio, Supervising REHS <br /> Unit IV <br /> c: CVRWQCB —Jim Barton <br /> AGE —Jo'l M. Chapman <br />