Oil and Gas | Air Quality Compliance
Process Controller Tagging and Methane Quantification
Trihydro supported an upstream oil and gas operator in Colorado with a large-scale process controller tagging, monitoring,…
Air Quality Compliance
Guiding clients through complex air quality compliance, addressing evolving Clean Air Act requirements and regulations with practical, industry-tested expertise.
Projects
Oil and Gas | Air Quality Compliance
Methane Emissions Monitoring for Midstream Assets
Trihydro supported a midstream operator with a methane emissions program, combining methane emissions quantification,…
Oil and Gas | Air Quality Compliance
Automated Site-Specific Monitoring Plan
Trihydro worked with a Texas refinery to streamline its Refinery Sector Rule fenceline monitoring program by consolidating…
Oil and Gas | Air Quality Compliance
Fenceline Pro: A Solution to Fenceline Monitoring of Fugitive Emissions
In May 2014, the Environmental Protection Agency (EPA) issued a proposed rule that would further control toxic air emissions…
Oil and Gas | Air Quality Compliance
Petrochemical Manufacturing Facility LDAR Program Development
Trihydro assisted a large petrochemical manufacturing facility with its regulatory compliance efforts by developing a system…
Delve Articles
Industrial and Chemical | Air Quality Compliance
Five Common Challenges in HON Rule Fenceline Data and Reporting
HON Rule fenceline monitoring often starts as a field effort. Monitoring locations are established. Sampling schedules are…
Industrial and Chemical | Air Quality Compliance
What to Watch in the First Six Months of HON Rule Fenceline Monitoring
For most SOCMI facilities, HON Rule fenceline monitoring begins on July 15, 2026. That timeline can make the early phase…
Industrial and Chemical | Air Quality Compliance
HON Rule Fenceline Monitoring is a Data Governance Challenge Not Just a Monitoring Exercise
With the U.S. Environmental Protection Agency’s (EPA’s) final Hazardous Organic National Emission Standards for…
Oil and Gas | Air Quality Compliance
EPA Finalizes Deadlines for Emissions Reduction Rules
The EPA issued an interim final action extending compliance deadlines under NSPS OOOOb, NSPS OOOOc, and the Super Emitter…
Oil and Gas | Air Quality Compliance
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…
Oil and Gas | Air Quality Compliance
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…
Oil and Gas | Air Quality Compliance
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…
Oil and Gas | Air Quality Compliance
EPA Redefines “Pneumatic Controllers” as “Process Controllers”
EPA has redefined “pneumatic controllers,” now “process controllers,” changing more than just the name. We explore…
Oil and Gas | Air Quality Compliance
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…
Oil and Gas | Air Quality Compliance
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…
Oil and Gas | Air Quality Compliance
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…
Oil and Gas | Air Quality Compliance
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.…
Trainings
Industrial and Chemical | Air Quality Compliance
Training: HON Rule Fenceline Monitoring Readiness and Execution
Trihydro’s HON Rule fenceline monitoring training is designed for facility personnel responsible for implementing,…
Oil and Gas | Air Quality Compliance
Training: EPA Method 21 for LDAR Compliance and Monitoring
Trihydro’s EPA Method 21 training program is designed for facility personnel involved in Leak Detection and Repair (LDAR)…
Oil and Gas | Air Quality Compliance
Training: Foundational and Advanced BWON Management and Compliance
Trihydro’s BWON training program is designed to support facility compliance with the Benzene Waste Operations NESHAP…
Oil and Gas | Air Quality Compliance
Training: Optical Gas Imaging (OGI) and Appendix K Compliance
Trihydro’s Optical Gas Imaging (OGI) training program is specifically designed for Leak Detection and Repair (LDAR) teams…