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March 18, 2014 <br /> Revised March 20, 2014 <br /> DRYWELL CLOSURE AND INVESTIGATION WORK PLAN <br /> NEIL O. ANDERSON &ASSOCIATES <br /> 902 INDUSTRIAL WAY <br /> LODI, CALIFORNIA <br /> ' EXECUTIVE SUMMARY <br /> This work plan presents the approaches and methodologies proposed to close and investigate <br /> 1 non-permitted waste water disposal at Neil O. Anderson &Associate's (NOA) Lodi Office in Lodi, <br /> San Joaquin County, California. This work plan was originally completed on March 18, 2014 <br /> and revised on March 20, 2014 subsequent to limited EHD comments. NOA's Lodi Office <br /> contains an on-site Fog Curing Concrete System with drainage to two (2) exterior drywells. The <br /> San Joaquin Environmental Health Department (EHD) inspected this waste water disposal <br /> system on March 6, 2014 and deemed it unsuitable. This work plan is being conducted per <br /> correspondence with the San Joaquin Environmental Health Department (EHD) directly <br /> following the site visit. The correspondence conveyed the need to develop a work plan for EHD <br /> review that includes an investigation to determine the presence or absence of contamination, <br /> drywell closure activities, and an alternative waste water disposal system. The purpose of this <br /> work plan is to describe proposed plans for Class V well closure, provide an alternate concrete <br /> curing method and waste water disposal, and detail an investigation to gather data in order to <br /> evaluate the case for closure or determine the need for remedial action. <br /> 1 <br /> 902 Industrial Way•Lodi,CA 95240-209.367.3701 •Fax 209.369.4228 02014 Neil O.Anderson&Associates,Inc <br />