The Reality and Implications of SSM and NESHAPs
Posted: November 2014
ALL4’s project experience often involves industrial clients that are subject to one (1) or more of the National Emission Standards for Hazardous Air Pollutants (NESHAPs) for source categories (40 CFR Part 63). NESHAPs regulate emissions of hazardous air pollutants (HAPs) […]
Read MoreGet Prepared for Major Changes to the Risk Management Program Regulations!
Posted: September 2014
On July 31, 2014, the U.S. Environmental Protection Agency (U.S. EPA) published potential revisions to the Risk Management Program (RMP) regulations, which are codified at 40 CFR Part 68. U.S. EPA issued a Request for Information (RFI) to solicit and […]
Read MoreU.S. EPA Proposes Benzene Fenceline Monitoring for Refineries Amongst Other MACT and NSPS Changes
Posted: June 2014
U.S. EPA has proposed an amendment to 40 CFR Parts 63, Subpart CC and Subpart UUU that requires all petroleum refineries to deploy passive time-integrated benzene samplers at the fenceline (where fenceline is equivalent to the facility property line) of […]
Read MoreCSAPR’s Triumphant Return
Posted: May 2014
On April 29, 2014 the Supreme Court issued a ruling in EPA v. EME Homer City Generation, L.P. that has reinstated U.S. EPA’s Cross-State Air Pollution Rule (CSAPR). This is the latest reversal that essentially overturns…
Read MoreStartup, Shutdown, and Malfunction (SSM) and Pressure Relief Devices Updates for Resin Manufacturers
Posted: April 2014
Early this year, the U.S. Environmental Protection Agency (U.S. EPA) proposed several updates to the air toxics rule for manufacturers of amino/phenolic resins…
Read MoreALL4’s Employee Spotlight: Hailey Sykes
Posted: April 2014
Learn about ALL4 Staff Engineer Hailey Sykes in her Employee Spotlight!
Read MoreU.S. EPA Proposed New Categorical Non-Waste Fuels in Non-Hazardous Secondary Materials Rule
Posted: April 2014
On February 7, 2013, the U.S. Environmental Protection Agency (U.S. EPA) issued final revisions to 40 CFR Part 241 (Solids Wastes Used as Fuels or Ingredients in Combustion…
Read MoreA Meteorologist’s Look at the Polar Vortex and Boiler MACT
Posted: February 2014
As a Certified Consulting Meteorologist (CCM), I am actively engaged with colleagues in the American Meteorological Society (AMS) regarding the interaction of weather and climate…
Read MoreNew Year’s Resolutions for Compressor Stations
Posted: January 2014
I recently found myself pulling my car over to the side of the road with a flat tire. I remember thinking “Good thing I have that emergency kit in the trunk of my car”. Sadly, as I inspected the contents of the kit…
Read MorePennsylvania RACT 2 Gains Environmental Quality Board Approval
Posted: December 2013
RACT 2 has been on the regulatory radar screen for major sources of nitrogen oxides (NOX) and volatile organic compounds (VOC) in Pennsylvania since mid-2012 as reported by ALL4…
Read More