Montrose Environmental Group, Inc. shared insight into the use of their proprietary technology to address air monitoring regulations in Colorado. Montrose partnered with two of the four affected facilities in Colorado to install and operate a fenceline air monitoring program, including the development of a monitoring plan, to satisfy the requirements of HB21-1189, the Colorado Air Pollution Control Division (APCD) and the EPA's general project plan specifications. Key components of the program included: Procuring and installing a fenceline monitoring system; Building and launching a public-facing website, in both English and Spanish, utilizing Montrose's Sensible EDP software; and Leveraging expert toxicologists from Montrose's readiness, response and recovery division, CTEH, to review data and educate the community on health-based action thresholds.

Key outcomes of the air monitoring program include: A public facing website that allows community members to see the facilities' fenceline monitoring data, measured at a five-minute resolution, in near real-time; and A public alert system via reverse 911 if pollutant concentrations exceed the defined monitoring thresholds. Implementation of the Company's proprietary software paired with health exposure and toxicology experts enables facilities to disseminate information about critical compounds to communities and comply with regulations.