Category: Air Quality

  • Cornerstone (Kennecott’s Expansion Project):
    Kennecott Utah Copper LLC

    Introduction In 2011 Kennecott Utah Copper LLC announced a proposal to expand the life of its Bingham Canyon Mine located in the southwest Salt Lake County. The expansion project, called “Cornerstone,” included widening the Bingham Canyon pit to accommodate operations focused on the mining and processing of ore located on the southeast margin of the…

  • Approval Order Modification Granted: Cornerstone:
    Kennecott Utah Copper LLC

    On June 27, 2011, the Division of Air Quality has approved Kennecott’s request to modify its Approval Order, outlined in a Notice of Intent (NOI). The NOI centered on a requested increase in the limit of the material moved from 197 to 260 million tons per year. The public comment period ended on March 20,…

  • Concentrator Request: Cornerstone:
    Kennecott Utah Copper LLC

    Addition of an Ore Grinding Line and an Ore Sorting Plant Public comment is being sought through August 18, 2011 on Kennecott’s request to install and operate a fifth ore grinding line and an ore sorting plant at the Copperton Concentrator. The new equipment will consist of an ore sorting plant with a baghouse, a…

  • Modification of Molybdenum Autoclave Process (MAP) Plant:
    Kennecott Utah Copper LLC

    The MAP facility is currently under construction, and commissioning is expected to start in 2013. Public comment is being sought through March 11, 2013 on Kennecott’s request to modify the design of the MAP plant. The design changes have resulted in the modification of the cooling tower. Kennecott will also add a natural gas-fired boiler,…

  • Document Repository: Cornerstone:
    Kennecott Utah Copper LLC Projects

    Jump to: Approval Order Issued Air Quality SIP Amendment This page provides links to documents associated with the various regulatory decisions by DEQ. Approval Order Issued (June 27, 2011) Final Permit (647 KB) Complete and Final Notice of Intent Final Notice of Intent (63MB) Cover—1.0 Introduction (384 KB) 2.0 Description of Emission Sources (72 KB)…

  • SIP Amendments: Cornerstone:
    Kennecott Utah Copper LLC

    By a vote of 5-4 in its May 4, 2011 meeting, the Air Quality Board approved the Amendment to the Utah State Implementation Plan, Emission Limits and Operating Practices, Section Ix.H.2.h, and to amend Rule R307-110-17, Section IX and Part H. The issue before the Board was whether or not the 2005 PM SIP (currently…

  • Bingham/Magna Ditch Soils Investigation:
    Kennecott Utah Copper LLC

    Jump to: Potential Risks Access to Sample Yards Site History Updates Additional Information Contacts Related Links Q & A The Utah Department of Environmental Quality (UDEQ) and the United States Environmental Protection Agency (EPA) are conducting an investigation of arsenic contaminated soil sediments associated with the former Bingham-Magna Ditch, a historic mining drainage canal located…

  • Questions and Answers:
    Bingham/Magna Ditch Soils Investigation:
    Kennecott Utah Copper LLC

    Background What is the Bingham-Magna Ditch? In 1930 the Utah Copper Company, a predecessor of Kennecott Utah Copper Corporation (Kennecott), constructed a ditch to transport waste water from copper extraction facilities in the Bingham Mine area to the tailings pond and mining mills northwest of Magna. The canal was abandoned and filled in by the…

  • Kennecott Utah Copper LLC

    The operational and environmental cleanup activities at Kennecott Utah Copper LLC’s (Kennecott) Bingham Canyon Mine, Copperton Concentrator, Smelter, Refinery, Tailings Facility and the various ancillary facilities are regulated under a number of federal and State programs with authority to oversee the work pursued by Kennecott and other third parties. The federal and State agencies draw…

  • PM2.5 Logan Maintenance Plan:
    Technical Support Documents

    General Inventory General Inventory Preparation Plan (743 KB) Episodic Inventories Episodic Inventory Overview (76 KB) Point Source Episodic Inventory (79 KB) Area Source Episodic Inventory (165 KB) Non-Road Mobile Source Episodic Inventory (1 MB) On-Road Mobile Sources Episodic Inventory (289 KB) Baseline and Projected Inventories General Baseline and Projected Inventories Overview (201 KB) Point Source…

  • PM2.5 Salt Lake City Maintenance Plans:
    Technical Support Documents

    General Inventory General Inventory Preparation Plan (743 KB) Episodic Inventories Episodic Inventory Overview (76 KB) Point Source Episodic Inventory (79 KB) Area Source Episodic Inventory (168 KB) Non-Road Mobile Source Episodic Inventory (1 MB) On-Road Mobile Sources Episodic Inventory (273 KB) Baseline and Projected Inventories General Baseline and Projected Inventories Overview (204 KB) Point Source…

  • PM2.5 Provo Maintenance Plans:
    Technical Support Documents

    General Inventory General Inventory Preparation Plan (743 KB) Episodic Inventories Episodic Inventory Overview (76 KB) Point Source Episodic Inventory (79 KB) Area Source Episodic Inventory (167 KB) Non-Road Mobile Source Episodic Inventory (1 MB) On-Road Mobile Sources Episodic Inventory (273 KB) Baseline and Projected Inventories General Baseline and Projected Inventories Overview (208 KB) Point Source…

  • Find Wildfires

    Utah Wildfires The Utah Wildfire Info website is a collaborative effort between the Utah Department of Natural Resources, Bureau of Land Management, Forest Service, Fish and Wildlife Service, and Bureau of Indian Affairs. The site shows maps of active wildfires, allows viewers to report a wildfire, and provides information on how to prevent wildfires. The…

  • Health Impacts of Wildfire Smoke

    Wildfire smoke can make outdoor air unhealthy to breathe. Even if you stay indoors, some of the smoke from outdoors can enter your home. If you are close to a wildfire, the fire itself, as well as heavy smoke and ash, can pose serious, immediate risks to your safety and health. You may also be…

  • Protect Yourself From Wildfire Smoke

    Wildfires create smoky conditions, but there are things you can do– indoors and out–to reduce your exposure to smoke. Children (498 KB), older adults, and people with heart or lung disease are particularly susceptible to the health impacts of wildfire smoke, but it can also pose risks to healthy adults. Reduce Smoke Exposure Outdoors If…

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