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, <br /> State of California Environmental Protection Agency | <br /> i <br /> MEMORANDUM | <br /> Date: December 21. 2Q1G | <br /> To: Christine Karl | <br /> Permits and Assistance North Unit / <br /> Permits and Assistance North Central Secion ' <br /> , / <br /> Permitting and Assistance Branch � <br /> r <br /> From: | <br /> Michael VVoohnick. P.E, Supervisor <br /> Closure and Technical Support Unit ! <br /> Engineering Support Branch ! <br /> Department mfResources Recycling and Recovery <br /> i <br /> Subject: FOOTHILL LANDFILL, SAN JOAQW|N COUNTY(39-AA-0004) <br /> PRELIMINARY CLOSURE &POSTCLOSWREMAINTENANCE PLANS <br /> REVIEW COMMENTS . <br /> Engineering Support Branch (ESB)Closure and Technical Support Unit(Closure)staff have reviewed / <br /> (received on November 4, 2015)the Joint Technical Document(JTD)and Closure and Postclosure � <br /> Maintenance Plans (P|ano)for the Foothill Landfill. The documents reviewed were: <br /> • Joint Technical Document, Foothill Sanitary Lanofill. San Joaquin County, Ca6fomia;dated July <br /> 31, 2015; prepared by San Joaquin County Department of Public Works, Solid Waste Division. / <br /> m Preliminary Closure and Post Closure Maintenance Plan, Foothill Sanitary Landfill, San Joaquin <br /> County, dated July 2O1O; prepared byShaw Environmental, Inc. (The Plans were included ao <br /> Appendix Bcfthe JTOj <br /> The Foothill Sanitary Landfill(F8L)iasingle Class U| solid waste disposal unit located 17 miles � <br /> east of Stockton in San Joaquin County(County),and consists of 880 acres,which includes <br /> 80acres located inCalaveras County. Ofthe 8OUacres inthe County, G74acres are designated ! <br /> for disposal activities. The site was originally owned and operated by Nomellini Construction starting in ' <br /> 1965. The site was acquired by San Joaquin County in 1993 and has been operated by Foothill, Inc. <br /> under onagreement with San Joaquin County since that time. The capacity ofthe landfill ieanticipated&o <br /> befully utilized in2D82. <br /> Cn|Reoyoesteff finds that the submitted documents are not adequate in meeting the requirementsof <br /> Title 27, California Code of Regulations (27 CCR)for submittal of preliminary closure and postclosure <br /> maintenance plans(P|ana). The following comments will need toboaddressed before Closure staff may <br /> consider the submittal hobeacceptable. <br /> 1. Revised Plans: Noupdated preliminary closure and posto|oouramaintenance plans were <br /> submitted. Updated plans are required to be submitted with each permit review or revision <br /> application unless the operator includes a statement, signed by a licensed civil engineer or <br /> engineering geologist, indicating that no modifications to the plans are required. No signed <br /> statement was submitted. Although the cover letter submitting the revised JTOindicated limited � <br /> changes, itinunclear whether this applied bothe preliminary plans. � <br /> � <br /> The most recent Plans are dated July 2O1O. Although apartial closure atthe landfill has <br /> occurred prior to the 2010 revision of the Plans, the Plans need to be revised to reflect the <br /> completion of the partial closure. In particular,the Plans need to discuss how any future final � <br /> cover installations will co-exist with (i.e., tie-in to)the partial closure final cover. Additionally, any ' <br /> other design changes (e.g.. slopes, timing ofclosure activities, et .)viUneedbzbediouuaead <br /> and presented |nrevised plans. | <br /> ( <br /> The operator needs tosubmit revised Plans for the landfill. | <br /> | <br />