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61 WELL ABANDONMENT <br /> ' As soon as practical upon PHS/EHD approval of site closure, all ten <br /> monitoring wells at Former Tank Sites #1 and #2 will be abandoned <br /> ' according to state and county requirements California state requirements <br /> for the destruction of monitoring wells are described in documents <br /> including California Well Standards Bulletin 74-90, published by the <br /> ' California Department of Water Resources in June 1991, and Monitoring <br /> Well Design and Construction for Hydrogeologic Characterization - Guidance <br /> Manual for Ground Water Investigations published in July 1995 by California <br /> Environmental Protection Agency Appropriate perrmts will be obtained <br /> prior to abandonment PHS/EHD will be notified of the exact schedule <br /> one week prior to field activities <br /> 1 <br />' EAM 22 CATFLLUS/2996 10-10/13/99 <br />