Pod Technologies: Update: 08/2005

Advanced Monitoring Systems Center: August/September 2005 Newsletter

The US EPA Advanced Monitoring Systems Center (AMS) verifies the performance of commercially-ready environmental monitoring technologies for air, water, and soil.

August/September 2005 Newsletter (pdf, 2pp., 516kB)

Proposed Performance Specification for Predictive Emission Monitoring Systems

US EPA's proposed Performance Specification 16 for Predictive Emission Monitoring Systems and Amendments to Testing and Monitoring Provisions (pdf, 18pp., 148kB) was published in the Federal Register on August 08, 2005. Predictive emission monitoring systems (PEMS) are a tool for monitoring pollutant emissions without using traditional analyzer-based continuous emission monitoring systems (CEMS). The PEMS predicts a facility's emissions indirectly using process parameters that have a known relationship to pollutant concentration.

Monitoring NOx Emissions

Industry interest has piqued in monitoring nitrogen oxide (NOx) emissions in cogeneration facilities below two parts per million (ppm). Universities and government agencies have performed studies with inconclusive results. President Bush's administrative issue of the Clean Air Interstate Transport Rule, calling for a 70% reduction in NOx emissions, adds particulate matter, 2.5 micron (PM2.5), and mercury to the criteria pollutant control list. Expectations are reductions will reach 70% by 2010. This new rule will affect every power plant and internal combustion boiler and incinerator, requiring emitters to better maintain their continuous emissions monitoring systems (CEMS) because the rules will cause operations near the lower limits of emission permits.

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