Plywood and Composite Wood Products (PCWP)
NESHAP Summary
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2. What Pollutants Are Regulated by the Final Rule?
 The final rule regulates HAP emissions from PCWP facilities.
For the purpose of compliance with 40 CFR part 63, subpart
DDDD, the US EPA defined “total HAP” to be the
sum of the emissions of six primary HAP emitted from PCWP
manufacturing. The six HAP that define total HAP make up
96 percent of the nationwide HAP emissions from PCWP facilities
and are:
- Acetaldehyde
- Acrolein
- Formaldehyde
- Methanol
- Phenol
- Propionaldehyde
Health and Environmental Risk Assessment Resources
Search the following sites for more information on the HAP listed above.
US
EPA HAPS Health Effects Notebook
US
EPA Integrated Risk Information System
University
of Vermont Safety Resources
NIOSH
Pocket Guide to Chemical Hazards
WISER -
the Wireless Information System for Emergency Responders
Other
HAP are sometimes emitted and controlled along with these six HAP, but in lower
quantities. Depending upon which of the compliance alternatives the source
chooses, they could be required to measure emissions of total HAP, total hydrocarbon
(THC), methanol, or formaldehyde as surrogates for measuring all HAP. For the
purpose of determining whether the facility is a major source, they would have
to include all HAP as prescribed by rules and guidance pertaining to determination
of a major source.
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