On Wednesday, April 12, 2023, EPA released a proposed rule aimed at reducing emissions from light-duty and medium-duty vehicles, including passenger cars, light-duty trucks, and some medium-duty vehicles (light-duty proposal). EPA also released a proposed rule for heavy-duty vehicles, the “...
Release Date: August 7, 2023 Download Size: 9.02 MB (64-bit) DOWNLOAD FROM US EPA SITE SWMM 5 Versions Expand all SWMM 5.2.4August, 2023 SWMM 5.2.3February, 2023 SWMM 5.2.2December, 2022 SWMM 5.2.1August, 2022 SWMM 5.2.0November, 2021 ...
摘要: The U.S. Environmental Protection Agency (EPA) recently issued a congressionally mandated final rule. It will require extensive one-time reporting by any entity that, at any time since 2011 and through the end of 2022, has manufactured (or imported) for commercial purposes a chemical su...
Dr. Fine joins EPA after a 15 year career at the South Coast Air Quality Management District in Southern California. He most recently served as the Deputy Executive Officer for the Planning, Rule Development & Area Sources Division, where he oversaw all activities of the Division, including dev...
Permian methane emissions data supports pending EPA rule: environmental groupThe amount of methane being released from oil and gas fields in the Permian Basin is now consistently at pre-pandemic levels, according to researchers who collected new data this summer ahead of upcoming federal emission ...
On January 15, 2013, the Environmental Protection Agency (EPA) published a final rule in theFederal Registerto strengthen the National Ambient Air Quality Standard (NAAQS) for particulate matter (PM).1The standards, set pursuant to the Clean Air Act (CAA),2address potential health effects (incl...
It models roadway overtopping using the FHWA HDS-5 method and would typically be used in parallel with a culvert conduit. Rule premises can now test whether a link has been open (or closed) for a specific period of time. See the Help file for more details. Unsaturated hydraulic conductivity...