Quarterly report of RCRA groundwater monitoring data for period April 1, 1991 through June 30, 1991

Hanford Site interim-status groundwater monitoring projects are conducted as either background, indicator parameter evaluation, or ground water quality assessment monitoring programs as defined in the Resource Conservation and Recovery Act of 1976 (RCRA); and 40 CFR 265, Interim Status Standards for Owners and Operators of Hazardous Waste Treatment, Storage, and Disposal Facilities, as amended (EPA 1989). Compliance with the 40 CFR 265 regulations are required by the Washington Administrative Code 173--303 (Ecology 1991). This submittal provides data obtained from groundwater monitoring activities for April 1, 1991 through June 30, 1991. 12 refs., 1 fig., 12 tabs