Environmental Protection Agency (EPA) maintains a Guideline on Air Quality Models (EPA, 2017b), hereafter, Guideline, which is published as Appendix W to 40 CFR Part 51 (as revised). The Guideline provides the agency's guidance on regulatory applicability of air quality dispersion models in ...
which will create a sustainable and effective pace for risk evaluations. Prioritization is the first step under EPA’s authority to regulate existing chemicals currently on the market and in use – to evaluate whether health and environmental protections are needed. This process also advances t...
The U.S. Environmental Protection Agency (EPA)releasedon January 8, 2024, a decision framework for identifying eye irritation or corrosion hazards for new chemicals reviewed under the Toxic Substances Control Act (TSCA).89 Fed. Reg. 1093. EPA states that the “New Chemicals Program Decision...