EPA Proposes Cuts to GHG Reporting Requirements
On September 12, 2025, the U.S. Environmental Protection Agency (EPA) issued a proposed rule to permanently eliminate most…
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Delve Articles
How Oil and Gas Companies Should Prepare for Methane Tax Uncertainty
The discontinuation of the WEC has created a void in understanding how methane taxes will be applied. We discuss proactive…
Colorado Regulation 7: Understanding Colorado’s Midstream Fuel Combustion Equipment Regulations
A milestone reporting deadline is coming up in June for Colorado midstream operators that addresses fuel combustion…
EPA Redefines “Pneumatic Controllers” as “Process Controllers”
EPA has redefined “pneumatic controllers,” now “process controllers,” changing more than just the name. We explore…
NSPS OOOOb & OOOOc Compliance for Gas Well Liquids Unloading
The final rule for NSPS OOOOb and OOOOc aims to reduce flared or vented gas during liquids unloading from gas wells. We…
Subpart W: Crankcase Venting
Engine crankcase venting GHG emissions must be reported for the first time under Subpart W of EPA’s GHGRP. We discuss…
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…
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 Fenceline Monitoring Requirements for SOCMI and Group I and II Polymers and Resins Industries
The EPA has published the Final HON Rule. Learn more about the fenceline monitoring requirements and what affected…
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