Engine crankcase venting GHG emissions must be reported for the first time under Subpart W of EPA’s GHGRP. We discuss Subpart W updates, reporting requirements, and calculation methodologies.

Since May, drilling mud degassing operators must calculate and report GHG emissions under EPA’s GHGRP Subpart W. Operators can calculate emissions based on three methodologies. Our Delve covers Subpart W updates, what this means for operators, how to calculate emissions, and key deadlines.

We discuss potential CCUS funding changes, agency changes that may impact CCUS projects, and potential new legislation for CCUS.

Learn about various strategies and tools to reduce RAIs and streamline the Class VI permit application process.

Under HUD’s updated FFRMS requirements, certain newly constructed homes must now include a 2-foot freeboard for added flood protection. This will impact prospective first-time homebuyers seeking Federal Housing Administration loans and mortgage insurance.

We explore EPA's draft risk assessment of PFAS in biosolids and its possible regulatory impacts.

EPA continues to add PFAS to TRI. Find out which new PFAS have been added and what EPA’s reporting requirements will look like in 2025.

On December 19, EPA released draft human health-based water quality criteria for three per- and polyfluoroalkyl substances (PFAS): PFOA, PFOS, and PFBS. Once finalized, these criteria will serve as a foundation for states and tribes to develop their own water quality standards.

The EPA has announced sweeping restrictions on trichloroethylene (TCE), perchloroethylene/tetrachloroethylene (PCE), and carbon tetrachloride (CTC), impacting consumer, commercial, and industrial uses. Effective early 2025, these final rules mark a significant regulatory shift.

This article explores the importance of a comprehensive shallow subsurface monitoring program in defending against false positives that could potentially shut down a project and lead to considerable financial loss.