Manufacturing Facility in Denver, Colorado

Problem Personnel turnovers and a loss of institutional knowledge at the site created problems when the facility needed to make changes to their air permit. Not understanding the RACT requirements that come into play for permit modifications in non-attainment areas, they reached out to Array for help.   Solution Array reviewed the facility’s historic information, […]

Colorado Updated Air Fee’s

Colorado’s following APEN, permitting, and annual fees have been updated.   Type of fee Amount Effective Date APEN Submittal Fee $191.13/APEN July 1, 2018 Permit Processing Fee $95.56/hour July 1, 2018 Annual APEN Fee – Regulated Pollutants $28.63/ton November 2018 (est.) Annual APEN Fee – Hazardous Pollutants $191.13/ton November 2018 (est.)   Here is the […]

Updates on NMED AEIR Web Application Process

I attended the New Mexico Environment Department’s (NMED) annual emissions inventory reporting (AEIR) webinar and learned that NMED is continuing the improve the AEIR web application. This year we will see some of the data from previous years retained in the web application and the ability to save a page without having everything filled out. However, […]

AP-42 Data and Air Permit Stack Test Requirements

If you use data from AP-42 to calculate particulate matter emissions, it is highly likely that this data represents only filterable particulate matter and no condensable particulate matter. As such, make sure any stack test requirements in your air permit reflect the same particulate matter basis that was used to estimate your emissions (i.e., filterable, […]

Regulated Particulate Matter: NSR/PSD vs. Title V

Total suspended particulates, TSP (referred to as particulate matter, PM, by EPA), is a regulated new source review (NSR) pollutant, so it is possible to go major source/prevention of significant deterioration (PSD) on this pollutant alone.  What’s tricky is that EPA replaced the TSP National Ambient Air Quality Standard (NAAQS) with the PM10 (particulate matter […]