Continuous Emissions Monitoring 101: In-Facility Leak Detection Sensor Networks (LDSN)

June 20, 2024—Leak Detection and Repair (LDAR) is a work practice designed to identify leaking equipment so that Volatile Organic Compound (VOC) emissions can be reduced through repairs. LDAR regulations require monitoring at specified, regular intervals to determine whether or not equipment is leaking. Method 21, promulgated in 1981, uses a portable instrument to detect … Continued

Subpart W Updates: What You Need to Know Now

May 14, 2024—The eagerly awaited updates to Subpart W of the Greenhouse Gas Reporting Program have been released. The EPA has incorporated new facility components, prioritizing empirical data over estimated emission factor calculations, to enhance the precision, transparency, and lucidity of reporting total GHG emissions from facilities subject to Subpart W. These revisions also underscore … Continued

Fenceline Monitoring for the new HON MACT with Sensible EDP & Enthalpy Analytical

April 09, 2024 —On March 28, 2024, the US EPA signed in to law updated National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Synthetic Organic Chemical Manufacturing Industry (SOCMI) and Group I & II Polymers and Resins Industry (P&R I and P&R II). The content of the rule was released to the public … Continued