Pod Technologies: Update: 04/2004

Advanced Monitoring Systems Center: March/April 2004 Newsletter

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

March/April 2004 Newsletter (pdf, 2pp., 270kB)

Proposed Standards for Hazardous Air Pollutants for Hazardous Waste Combustors

The National Emission Standards for Hazardous Air Pollutants: Proposed Standards for Hazardous Air Pollutants for Hazardous Waste Combustors proposes national emission standards for hazardous air pollutants (NESHAP) for hazardous waste combustors. These combustors include hazardous waste burning incinerators, cement kilns, lightweight aggregate kilns, industrial/commercial/institutional boilers and process heaters, and hydrochloric acid production furnaces, known collectively as hazardous waste combustors (HWCs). US EPA has identified these HWCs as major sources of hazardous air pollutant (HAP) emissions. These proposed standards will, when final, implement section 112(d) of the Clean Air Act (CAA) by requiring hazardous waste combustors to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT).

The HAP emitted by facilities in the incinerator, cement kiln, lightweight aggregate kiln, industrial/commercial/institutional boiler, process heater, and hydrochloric acid production furnace source categories include arsenic, beryllium, cadmium, chromium, dioxins and furans, hydrogen chloride and chlorine gas, lead, manganese, and mercury. Exposure to these substances has been demonstrated to cause adverse health effects such as irritation on the lung, skin, and mucus membranes, effects on the central nervous system, kidney damage, and cancer. The adverse health effects associated with the exposure to these specific HAP are further described in the preamble. In general, these findings have only been shown with concentrations higher than those typically in the ambient air.

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