Estimating Particulate Matter Emissions

Among the substances routinely emitted from reinforced polymer composite manufacturing plants, particulate matter has received little attention.  Because USEPA does not consider this industry to be a significant contributor to the nationwide particulate emission inventory, the agency has sponsored no research to develop or catalog particulate emission factors for this industry.  Nevertheless, all states regulate these emissions and enforce compliance through terms and conditions specified on air permits, which all but the smallest composites plants must have.

Accordingly, the American Composites Manufacturers Association (ACMA) retained Environmental Compliance and Risk Management (ECRM) to develop practical guidance on the estimation and permitting of particulate matter emissions from typical polymer composite production plants.

This Guidance provides an initial overview of current Federal and state regulations affecting particulate sources, and then addresses particulate emissions from the following processes:

  • Mixing of dry fillers with resins to form filled resin intermediates for molding.
  • Application of gel coat, resin and reinforcement during open molding.
  • Application of paints and coatings to formed parts.
  • Sawing, grinding, and surface finishing of formed parts.

For each process, methods are presented to calculate allowable particulate emissions (based on state rules), potential emissions (based on maximum process throughput), and actual emissions. All critical assumptions are addressed. This report is best used in conjunction with the Excel spreadsheet workbook “Workbook | PM Emission Calculation” to complete and document all estimates. Screen shots of that workbook are included to illustrate the methods presented.

This Guidance provides an initial overview of current Federal and state regulations affecting particulate sources, and then addresses particulate emissions from the following processes:

  • Mixing of dry fillers with resins to form filled resin intermediates for molding.
  • Application of gel coat, resin and reinforcement during open molding.
  • Application of paints and coatings to formed parts.
  • Sawing, grinding, and surface finishing of formed parts.

This workbook is to be used in conjunction with the guidance document entitled, "Guide to the Estimation and Permitting of Particulate Emissions from the Manufacture of Reinforced Polymer Composites", to complete and document PM Emission estimates.

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PM Emission Calculation | Workbook and Completed Sample Workbook

© 2017 ACMA
business air regulations regulatory particulate matter emissions
Regulatory Tools
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Guide to the Estimation and Permitting of Particulate Emissions from the Manufacture of Reinforced Polymer Composites

Total pages: 20
© 2017 ACMA
business air regulations regulatory particulate matter emissions