New Subpart W Source Type: Drilling Mud Degassing
Since May, drilling mud degassing operators must calculate and report GHG emissions under EPA’s GHGRP Subpart W. Operators…
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Delve Articles
EPA Adds Nine PFAS to 2025 TRI Reporting
EPA continues to add PFAS to TRI. Find out which new PFAS have been added and what EPA’s reporting requirements will look…
EPA Drafts First-Ever Human Health Water Quality Criteria for PFAS
On December 19, EPA released draft human health-based water quality criteria for three per- and polyfluoroalkyl substances…
EPA Finalizes Restrictions on Trichloroethylene (TCE), Perchloroethylene (PCE), and Carbon Tetrachloride (CTC)
In 2024, EPA announced sweeping restrictions on trichloroethylene (TCE), perchloroethylene/tetrachloroethylene (PCE), and…
Class II Injection Wells: Unlocking the Hidden Value of CO2 in Oil & Gas Production
Recent advances in carbon capture and sequestration (CCS) have dramatically changed the financial impacts, both positive and…
California’s SCAQMD 1178 Rule and Effective Data Capture at Storage Tank Facilities
California’s SCAQMD Rule 1178 was amended to further reduce VOC emissions from storage tanks at petroleum facilities.…
NSPS OOOOb: Centrifugal & Reciprocating Compressor Compliance at Oil and Gas Facilities
In this article, we review EPA’s NSPS OOOOb for centrifugal and reciprocating compressors used at onshore natural gas…
Understanding the LDAR Provisions of NSPS OOOOb for Well Sites and Compressor Stations
Learn about leak detection and repair (LDAR) inspection requirements for well sites and compressor stations, as outlined in…
EPA Finalizes Regulations for Gasoline Distribution Source Category
EPA estimates these final rules will apply to nearly 9,500 gasoline distribution facilities. The changes will affect storage…
EPA’s New NSPS Subparts OOOOb, OOOOc, and Appendix K Take Effect
Major new US EPA regulations that aim to curb methane and volatile organic compound (VOC) emissions became effective on May…
Understanding the New Final BLM Methane and Waste Prevention Rule and Its Impact on the Oil and Gas Industry
On April 10, 2024, the BLM issued the final Waste Prevention, Production Subject to Royalties, and Resource Conservation…
EPA Designates PFOS and PFOA as CERCLA Hazardous Substances
On April 19, 2024, the US EPA announced the final designation of two PFAS compounds, PFOA and PFOS, as hazardous substances…
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