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STATE OF CALIFORNIA b, GEORGE DEUKMEJIAN,Governor <br /> CALIFORNIA REGIONAL WATER MALITY CONTROL BOARD— <br /> CENTRAL-VALLEY REGION J=` <br /> 3443 ROUTIER ROAD <br /> SACRAMENTO,CA 95827-3098 <br /> 27 JuT%/ 1988 <br /> Mr. Tin Horton <br /> Solid Waste Manager <br /> San Joaquin County <br /> .Post Office Box 18.10 <br /> Stockton, CA 95201 <br /> SWAT REPORT, CORRAL HOLLOW SANITARY LANDFILL, SAN JOAQUIN COUNTY (CASE NO. 1896) <br /> We have reviewed the SWAT Report, prepared by Emcon, for Corral Hollow Sanitary <br /> Landfill. Our comments are as follows: <br /> 1. . The determination of the aquifer permeabiliti.es are good, but the <br /> permeability of the soils immediately underlying the site is not addressed. <br /> 2. The Corral Hollow Sanitary Landfill is still a Class II-2 landfill. We <br /> hope to reclassify the site in the near future. At that time, it may be <br /> reclassified as a Class III Landfill . <br /> 3. Surface water sampling should be done when surface water flows occur. <br /> However, it is not necessary to do this sampling and analysis to complete <br /> the SWAT. <br /> 4. Due to the contamination of the blanks and other samples, several analyses <br /> need to be re-run. However, the existing analyses do not indicate that <br /> there should be any concern about leakage of ' hazardous wastes ' . <br /> Therefore, the re-testing need not be done to complete the SWAT. <br /> Re-testing may be accomplished after the next rainy season when there is a <br /> greater chance for the formation of leachutZ. <br /> The SWAT report for Corral Hollow Sanitary Landfill is ap roue The comments <br /> above are for your information and use. If you have any questions regarding <br /> this matter, please call me at (9.16) 361-5737. <br /> �RX. TICKER <br /> Project Engineer <br /> JKT:jj <br /> cc: Ar. Al Olsen, San Joaquin Local Health District, Stockton <br /> Mr. Michael McCluskey, Acting Director of Public Works, City of Tracy <br />