PI-DAS Continuous Emissions Monitoring and Reporting

Meet environmental compliance requirements and regulations with real-time data acquisition, aggregation and storage, and automatic reporting. Applicable to CFR 40, Parts 60 and 75, Title V with reasons/actions and EDR, MACT, Southern California RECLAIM or other similar regulations. EXELE is an OSISoft Partner and uses PI as the Emissions Monitoring and Reporting Platform.

Flexible. Scalable. Reliable. Auditable.


EXELE’s CEMS based / Environmental DAS / RTU systems provide flexible solutions for your data-intensive, process-related environmental compliance requirements whether they be driven by CFR 40, Parts 60 and 75, Title V with reasons/actions and EDR, MACT (Maximum Achievable Control Technology), Southern California RECLAIM (Regional Clean Air Incentive Market) and other similar regulations.

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EXELE CEMS software currently collects, stores, processes, and reports data for hundreds of sources at these facilities


Valero Wilmington


Chevron LA

Marathon Petroleum Corporation

Marathon Petroleum (LA, SLC, Anacortes, Martinez)

Exxon Mobil

ExxonMobil (Torrance)

Wasatch Integrated waste management district

Wasatch Integrated (Layton, UT)

National Gypsum

National Gypsum (LBP)


Novelis (NY, KY, GA)

Resolute Forest Products

Resolute Forest Products

World Energy

World Energy