Operable Unit 3 definition

Operable Unit 3 or “OU 3” shall mean the Little Rapids to De Pere reach of the Lower Fox River, as delineated by the Record of Decision signed by WDNR and EPA in June 2003 (Dkt. 404-2). More specifically, OU 3 is the portion of the Lower Fox River (and the underlying River sediment) from the Little Rapids Dam downstream to the De Pere Dam.

Operable Unit 3 or “OU-3” shall mean property in or around the Zonolite Mine owned by X. X. Xxxxx or Xxxxx-owned subsidiaries (excluding OU-2) and any area (including any structure, soil, air, water, sediment or receptor) impacted by the release and/or release and subsequent migration of hazardous substances and/or pollutants or contaminants from such property, including, but not limited to, the mine property, the Kootenai River and the sediments therein, Xxxxxx Creek, Xxxxxx Creek Road and areas in which tree bark is contaminated with such hazardous substances and/or pollutants and contaminants.

Operable Unit 3 or “OU3” shall mean the Bonita Peak Groundwater System. The Bonita Peak Groundwater System generally includes the saturated and unsaturated workings of the Sunnyside Mine, associated drainage and haulage tunnels, nearby mines not known to be connected to the Sunnyside Mine by workings (e.g. Red & Bonita Mine and Gold King Mine), and the surrounding geographic area that may be hydraulically connected or influenced by current and/or historical releases from or management of these mines.

Examples of Operable Unit 3 in a sentence

• Alene Basin Site” shall mean Operable Unit 3 of the “Site,” as defined in the EPA Record of Decision relating to Operable Unit 3 of the Site signed on September 12, 2002, by the Regional Administrator, EPA Region 10, or his delegate.

• People may also contact site-related contaminants in soils in off-site areas surrounding the site (Operable Unit 3).

• The Basin is considered to be Operable Unit 3 (OU-3) of the Bunker Hill Mining and Metallurgical Complex Superfund Facility, originally listed on the CERCLA National Priorities List in 1983.

• A third operable unit was created to address contamination in the Coeur d’Alene Basin, and a ROD for Operable Unit 3, the Coeur d’Alene Basin, was issued in 2002.

• The Record of Decision for Operable Unit 3 of the Bunker Hill Superfund Site prescribed remedial actions upstream of Coeur d'Alene Lake but it did not select a remedy to address contaminated sediments already present at the bottom of the lake.

More Definitions of Operable Unit 3

Operable Unit 3 or “OU3” shall mean the third reach of the Lower Fox River, as delineated by the Record of Decision signed by WDNR and EPA in June 2003. More specifically, OU3 is the portion of the Lower Fox River (and the underlying River sediment) starting at the Little Rapids Dam downstream to the De Pere Dam. As so defined, OU3 is depicted in Figure 7-26 of the December 2002 Final Feasibility Study, a copy of which is attached hereto as Attachment B-2.

Operable Unit 3 means the following portion of the Diamond Alkali Site: the area defined by the EPA as the Newark Bay Study Area, encompassing Newark Bay and portions of the Hackensack River, Xxxxxx Kill, and the Kill Xxx Xxxx.

Operable Unit 3 means the area defined by the EPA as the Newark Bay Study Area, encompassing Newark Bay and portions of the Hackensack River, Arthur Kill, and the Kill Van Kull.

Operable Unit 3 or “OU3” means the Site areas described as OU3 in the Record of Decision.

Operable Unit 3 or “OU3” shall mean the real properties at and about 4825 Glenbrook Road, NW; 4835 Glenbrook Road, NW; and 4801 Glenbrook Road, NW in Washington, D.C. 20016, including, without limitation, the subsurface and/or groundwater.

Operable Unit 3 or “OU3” shall mean the response actions relating to the ground water contamination addressed by the ROD, as amended by the ROD Amendment. Record of Decision for the Site signed on August 10, 2000, by the Regional Administrator, EPA Region III, or his/her delegate and all attachments thereto. The ROD is attached as Appendix A.

Operable Unit 3 or “OU3” shall mean that portion of the Site that generally includes the contaminated groundwater at the Site and the areal extent of such contaminated groundwater. OU3 also includes any Plant Area contaminated soils that cause or contribute to such groundwater contamination. Plant Area soils and groundwater are also referred to herein as the “Source Area” or “Source Area Soils and Groundwater.” If other sources are