Inventory of miscellaneous streams

Abstract

On December 23, 1991, the U.S. Dep of Energy, Richland Operations Office (DOE-RL) and the Washington State Department of Ecology (Ecology) agreed to adhere to the provisions of the Department of Ecology Consent Order No. DE 9INM-177 (Consent Order) (Ecology and U.S. DOE 1991). The Consent Order lists the regulatory milestones for liquid effluent at the Hanford Site to comply with the permitting requirements of Washington Administrative Code (WAC) 173-216 (State Waste Discharge Permit Program) or WAC 173-218 (Washington Underground Injection Control Progam) where applicable. DOE-RL provided the U.S Congress a plan and schedule to discontinue disposal of contaminated liquid effluent into the soil column on the Hanford Site (DOE 1987). The plan and schedule document contained a strategy for the implementation of alternative treatment and disposal systems. This strategy included prioritizing the into two phases. The Phase I streams were considered to be higher priority than the Phase II streams. The actions recommended for the Phase I and II streams were incorporated in the Hanford Federal Facility A and Consent Order (Tri Party Agreement ) (Ecology, et al. 1994). Miscellaneous Streams are those liquid effluent identified within the Consent Order that are discharged to the ground but are not categorized as Phase I or Phase II Streams. Miscellaneous discharging to the soil column on the Hanford Site are subject to requirements of several milestones identified in the Consent Order. The Plan and Schedule for Disposition and Regulatory Compliance for Miscellaneous Streams (DOE/RL,93-94) provides a plan and schedule for the disposition of Miscellaneous Streams to satisfy one of the Consent Order requirements. One of the commitments (Activity 6-2.2) established in the plan and schedule is to annually update the Miscellaneous Stream Inventory. The annual update will continue until September of 1998, at which time four categorical permit applications are scheduled to have been submitted to Ecology. This document constitutes the 1996 revision of the Inventory of Miscellaneous Streanu. This inventory has been used to prepare the State Waste Discharge Permit Application for Cooling Water and Condensate Discharges (DOE/RL,96-41) and the Miscellaneous Stream Best Management Practice Report (DOE/RL-96-40). This inventory will also be used to prepare the third and fourth categorical permit applications as defined in the plan and schedule.