Learn the Issues

Clean Air Mercury Rule: October 2008 Writ of Certiorari for EPA v. State of New Jersey

October 2008 Writ of certiorari for EPA v. State of New Jersey

2008 Memo Requiring All EPA Labs to Phase Out Use of Mercury-Filled Thermometers

September 30, 2008 internal EPA memo from Luis Luna re: phasing out mercury-filled thermometers

2009 EPA Report to Congress on the Potential Export of Mercury Compounds from the United States for Conversion to Elemental Mercury

Good Neighbor Plan Results

EPA is releasing NOx emission reductions from the first ozone season under the Good Neighbor Plan.

EMS at EPA Headquarters and Special Program Laboratories

EMS information for EPA Headquarters office and Special Program Labs

Mercury in Water by Manual Cold Vapor Atomic Absorption (CVAA): EPA Method 245.1

Summarizes holding times, and preservation for mercury in water by manual cold vapor atomic absorption. Also provides calibration procedures.

Loss of Pressure and Lead Service Line Presentation

Loss of Pressure in Drinking Water Systems in Wyoming - Presented by Kyle St Clair at the WWQ-PCA Conference held in October of 2023.

EPA Region 8 Water Technical Assistance Presentation

EPA Region 8 Water Technical Assistance - Presented by Bryce Faliskie, Kenley Stone, Darrel Williams and Tamara Barbakova at the WWQ-PCA Conference held in October of 2023.

Creating Resilient Water Utilities (CRWU)

Loss of Pressure in Drinking Water Systems in Wyoming - Presented by Kyle St Clair at the WWQ-PCA Conference held in October of 2023.

How much can a radon mitigation system cost?

You have tested your home for radon, but now what? If you have tested your home for radon and confirmed that you have elevated radon levels, 4 picocuries per liter (150 becquerels per cubic meter (Bq/m 3 ))in air (pCi/L) or higher, our guidance can help you: Select a qualified…

Last published: November 15, 2024

Are we sure that radon is a health risk?

The EPA already has a wealth of scientific data on the relationship between radon exposure and the development of lung cancer. The scientific experts agree that the occupational miner data is a very solid base from which to estimate risk of lung cancer deaths annually. While residential radon epidemiology studies…

Last published: November 15, 2024

Revised Total Coliform Rule and Triggered Ground Water Rule for All Water Systems in Wyoming and on Tribal Lands in EPA Region 8

Revised Total Coliform Rule for Transient Systems in Wyoming and on Tribal Lands in EPA Region 8 - Prepared and presented by Jamie Harris at the WARWS Conference held in April of 2023.

Ponsford Wastewater Stabilization Lagoon NPDES Permit MN-0059439-6

Permit Number: MN-0059439-6
Finalized date 6/5/2024

Mahnomen Wastewater Treatment Facility NPDES Permit MN-0024066-6

Final permit for Mahnomen Wastewater Treatment Facility.

How often should I test/retest my home for radon?

Our general guidance from A Citizen's Guide to Radon - (December 2016, EPA 402/K12/002) - suggests: If your living patterns change and you begin occupying a lower level of your home (such as a basement) you should retest your home on that level. Even if your test result is below…

Last published: November 15, 2024

How to Protect Your Family from Radon When Buying a Newly Built Home

When buying a recently built home, EPA recommends you check for radon resistant features and follow certain techniques if you purchase a home in a high radon area.

Where I work we manufacture products from granite and other natural materials. Should I be concerned about radiation in my workplace?

I work in a granite fabricating and finishing shop. Is there a radon risk in my workplace? Based on existing studies, most types of granite used in countertops and other aspects of home construction are not typically known to be major contributors of radiation and radon in the average home…

Last published: November 15, 2024