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1 <br /> i - Grouting the hole to ground surface with a clean <br /> - bentonite/cement mixture, <br /> Allowance of sufficient time for grout to dry <br />' It has been verified with San Joaquin County Public Health Services, <br /> Environmental Health Division that these actions fulfill well closure <br /> requirements <br />' 3 2 Permit Acquisition <br /> I <br /> To accelerate the program and meet all regulatory requirements active <br /> cooperation with the San Joaquin County, Public Health Services, <br /> Environmental Health Division is anticipated As understood, any <br /> proposed work will require the approval of a comprehensive work plan <br /> and accompanying site-specific health and safety plan prior to completion <br /> of a work permit and project start-up In addition to the work plan, well <br /> abandonment and installation permits clean-up goals, and permits for <br /> installation and operation of remediation facilities, and disposal of soil <br /> and underground storage tank closure will be required <br /> Initial requirements for soil remediation involves criteria testing of <br /> stockpiled soil under the stipulations of Title 22 California Code of <br />�� Regulations This involves analyzing for metals (ICP) and performing bio- <br /> assays on four soil samples taken from stockpiled soil No further <br /> evaluation of the stockpiled soil will be required prior to remediation <br />' upon classification of the soil as a designated waste under Title 22 CCR <br /> If thermal remediation is prescribed as explained in Section 2 4, permits <br /> will be required by the San Joaquin Valley Unified Air Pollution Control <br />' District This type of permit has been successfully obtained for two <br /> similar projects in the Bay area Remediation has been completed at one <br /> of the sites <br /> If off-site soil disposal is done, requirements governing disposal of soil as <br /> outlined in Section 23 will be disposal company specific Disposal <br />' facilities receiving soils containing hydrocarbons and their concentration <br /> acceptance levels are Forward of Stockton and Port Costa Materials of <br /> Concord Depending on actual cleanup levels achieved, it may be possible <br />' to leave the treated soil on site <br /> Tank closure of the underground storage tanks requires achieving levels <br /> of Total Petroleum Hydrocarbons (TPH) and Benzene, Toluene, <br /> Ethlybenzene, and Xylene (BTEX) in soil and groundwater dictated in the <br /> State Water Resources Control Board Leaking Underground Fuel Tank <br /> (LUFT) Field Manual These levels are dependant upon site leaching <br /> potential as established by the LUFT Field Manual Evaluation of criteria <br /> to determine site leaching potential and therein establish concentrations <br /> 3-2 <br /> COMPANY CONFIDENTIAL TRADF SECRET AND PROPRIETARY INFORMATION OF TES MARK GROUP ��� <br />