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' 70 WELL ABANDONMENT <br /> As soon as practical following PHS/EHD approval of site closure, all six <br />' monitoring wells at former tank sites 1 and 2 will be abandoned according <br /> to state and county requirements California state requirements for the <br />' destruction of monitoring wells are described to the following documents <br /> • California Well Standards Bullehn 74-90, published by the California <br /> Department of Water Resources in June 1991, and <br /> • Monitoring Well Design and Construction for HydrogeoIog-ic <br /> Characterization - Guidance Manual for Ground Water Investigations <br />' published in July 1995 by Cal-EPA <br /> Appropriate permits will be obtained prior to abandonment PHS/EHD <br />' will be notified of the exact schedule 1 week prior to field activities <br /> I <br /> 1 <br /> I <br /> I <br /> ERM 26 HEINZ LSA-3374 60-3/27/00 <br />