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-Nlr. Ohland 4 19 December 1994 <br /> Once the impoundments issue is resolved, we require that you move on to the ground water <br /> remediation. Remediation of the ground water must conform to Article 5 of Chapter 15. Corrective <br /> action is required. It is our understanding that the preferred corrective action approach will <br /> probably include a source abatement technique of some kind, perhaps capping the site and <br /> removing the soil "hot spots". We would agree that source abatement (solid waste remediation) is <br /> necessarily part of a corrective action, but to date, we have not received a proposal. Therefore, <br /> please submit, by 30 January 1995, a proposed-time schedule for preparation and <br /> implementation of the corrective action proposal. This shall include a decision on whether final <br /> closure of the impoundments will be a clean closure or a Class II landfill closure. <br /> 5. SUMMARY: <br /> To summarize, we require the following, based on our review of your site: <br /> • Closure of the impoundments must conform to the requirements of <br /> Chapter 15, that is, closure must be "clean", with no wastes or contaminated materials left in <br /> place or used in fill or cover; or, closure must conform to the standards of a Class II landfill. <br /> • A proposed time schedule for preparation and'implementation of a ground water corrective <br /> action plan must be submitted by 30 January 1995. <br /> If. you have any questions, please contact me at (916) 255-3119. <br /> GAIL WIGGETT <br /> Associate Engineering Geologist <br /> Waste Discharge to Land Unit <br /> GJW: gw <br /> cc: Mr. Ed Padilla, San Joaquin County Public Ficaith Services, Stockton <br /> Ms Brooke Birkie, Neumiller and Beardslee, Stockton <br /> Ms Jeanne Homsey, RESNA Industries, Escalon <br />