Environmental Protection
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Managing Construction and Demolition Debris
Construction projects — both building new structures and demolishing old ones — generate a lot of waste. Studies of Wisconsin landfills have found that materials such as wood, shingles and brick or concrete make up more than one-quarter of the waste…
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Frequently Asked Questions About Asbestos Removal
If you cannot find the answer you need among these questions, please contact the asbestos inspector for the county where the project is located.
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Asbestos Removal and Notification
Asbestos fibers are a known human carcinogen. Lung cancer, mesothelioma (cancer of the chest cavity lining) and asbestosis (a fibrotic scarring of lung tissue) have been proven to result from asbestos exposure. The Clean Air Act (CAA) of 1970…
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Clean Diesel Grant Programs
The DNR administers the Clean Diesel Grant Programs to help reduce diesel emissions from both public and private vehicle fleets across the state. These grant programs have made significant achievements across our state. For details, check out the…
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Long-Term Monitoring
Long-term monitoring (LTM) will continue on the Lower Fox River in all operable units for decades to assess progress toward the Remedial Action Objectives (RAOs) (see Cleanup Operations). This is in accordance with Record of Decisions (RODs) and a…
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Project Documents
On this page, you will find reports and documents associated with the Lower Fox River PCB Project.
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Cleanup Operations
Sampling and studies on the Lower Fox River started in the early 1970s. These studies indicated PCB contaminated sediment was deposited along the entire length of the river, but primarily in OU1, OU3, OU4 and OU5. The majority of sediment…
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Project Background
The Lower Fox River runs 39 miles from Lake Winnebago to the bay of Green Bay in northeast Wisconsin. As one of the largest freshwater estuaries in the world, the Lower Fox River plays a vital role in Wisconsin's environment and economy. The river…
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Mercury spills and cleanup
When mercury is spilled, it shatters into tiny beads and spreads in many directions. These tiny droplets can accumulate in the smallest places. The droplets emit toxic, odorless vapors, which can be very dangerous when inhaled by people or pets.
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Switchboard Instructions, FAQ and Troubleshooting
The information on this page will help you use the DNR Switchboard and manage your Wisconsin User ID. If you need additional assistance, visit DNR Switchboard Help.