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EPA and some states are touting Supreme Court rulings as giving the agency authority for its contested 2008 rule exempting some water transfers from Clean Water Act (CWA) permit mandates, saying the rulings allowing exemptions for transfers in one waterbody imply that EPA has discretion to allow exempt transfers between two separate waters.

EPA is launching a proposed rulemaking to add the chemical 1-bromopropane to its list of chemical releases that industry must report to EPA as part of the Toxics Release Inventory (TRI), prompted by the National Toxicology Program's (NTP) decision to add the substance to its recently updated Report on Carcinogens (RoC).

EPA's creation of a new Water Finance Center to promote public-private water infrastructure projects is prompting concern from some stakeholders that either President Obama's fiscal year 2016 budget proposal or GOP spending bills might float major cuts to EPA's water state revolving funds (SRFs) by citing the new financing push at the agency.

New research by the Health Effects Institute (HEI) says there is no evidence of carcinogenic lung tumors in rats that were exposed to diesel exhaust from engines with emissions control technology, which could boost EPA's efforts to replace older diesel engines with newer models in order to significantly cut potential human cancer risks.

EPA's science advisors are backing the Office of Research and Development's (ORD) integrated approach to its next research plans, but are also calling for additional work in some areas, and warning that ORD's shift from strictly informing regulation to more broadly supporting human and environmental health may not yet be well understood within EPA.

House Democrats say GOP plans to start anew on crafting a narrower Toxic Substances Control Act (TSCA) reform bill could help win their backing compared to past failed efforts that divided lawmakers, if it includes key provisions such as protections for vulnerable populations and does not uniformly preempt all state toxics programs.