24.3 References

  1. U.S. Geologic Survey. 2017 Minerals Yearbook: Mining and Quarrying Trends.
  2. U.S. Department of Energy, Energy Information Administration. “Detailed data from the EIA-7A and the U.S. Mine Safety and Health Administration”, data pulled for year 2023.
  3. U.S. Census Bureau. 2023 County Business Patterns.
  4. U.S. Environmental Protection Agency. 1998. National Air Pollutant Emission Trends Procedure Document for 1900-1996, EPA-454/R-98-008.
  5. U.S. Environmental Protection Agency, AP-42, Fifth Edition, Volume 1, Chapter 13: Miscellaneous Sources, Section 13.2.4: Aggregate Handling and Storage Piles.
  6. U.S. Environmental Protection Agency. 1986. Generalized Particle Size Distributions for Use in Preparing Size-Specific Particulate Emissions Inventories, EPA-450/4-86-013.
  7. U.S. Environmental Protection Agency, AP-42, Fifth Edition, Volume 1, Chapter 11: Mineral Products Industry, Section 11.9: Western Surface Coal Mining.
  8. United States Environmental Protection Agency, AIRS Facility Subsystem Source Classification Codes and Emission Factor Listing for Criteria Air Pollutants, EPA-450/4-90-003, March 1990.
  9. Midwest Research Institute. 2006. Background Document for Revisions to Fine Fraction Ratios Used for AP-42 Fugitive Dust Emission Factors, MRI Project No. 110397.