Environmental News

  • APEN Updated for Asphalt Paving Materials Plants  - 

    On June 9, the Colorado Air Pollution Control Division released an updated APEN form (APCD-225) for Asphalt Paving Materials Plants (APM), also known as Hot Mix Asphalt Plants. A full list of Specialty APENS is available here. To view the Asphalt »

  • New Memo Detailing Steps to Perform Flash Gas Liberation Analysis  - 

    Colorado Air Pollution Control Division (Division) recently released a permitting section memo (PS-Memo 17-01) detailing the general steps required to perform flash gas liberation analysis on pressurized liquid hydrocarbon (crude oil or condensate) »


    On May 22, 2017, the CDPHE released an updated Fugitive Component Leak Emissions APEN – Form APCD-203. This APEN is to be used for fugitive component leak emissions. Only minor updates have been made including: Format changed to Division’s new PDF »


    A Notice to Operators (“NTO”) issued by the Colorado Oil and Gas Conservation Commission (COGCC) on May 2, 2017  requires all operators to systematically inspect their inventory of existing Flowlines and verify that any existing Flowline not in »

  • Electronic Reporting Policy  - 

    On January 24, 2017, the Colorado Department of Public Health & Environment (CDPHE) Air Pollution Control Division (Division) announced that effective February 1, 2017 the Division will begin transitioning to a paperless records system. This policy »

  • New Air Pollution Emission Notice APEN for Gas Liquid Separators  - 

    A new specialty APEN (APCD 211) for Gas/Liquid Separators has been released by the CDPHE Air Pollution Control Division (APCD). The form should be used to report new or existing oil/liquid separator activities; complete a routine (five-year) Air »

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