21.3 References

1. U.S. Census Bureau, 2023. Value of Construction Put in Place.
2. Midwest Research Institute. 1999. Estimating Particulate Matter Emissions from Construction Operations. Prepared for Emission Factor and Inventory Group, Office of Air Quality Planning and Standards US EPA.
3. U.S. Census Bureau. 2023. Price Deflator (Fisher) Index of New Single‐Family Houses Under Construction.
4. U.S. Census Bureau, County Business Patterns. 2023. CBP Tables.
5. Midwest Research Institute. 1996. Improvement of Specific Emission Factors (BACM Project No. 1). Prepared for South Coast Air Quality Management District.
6. U.S. Department of Agriculture, National Cooperative Soil Survey, NCSS Microsoft Access Soil Characterization Database.
7. Midwest Research Institute. 2006. Background Document for Revisions to Find Fraction Ratios Used for AP-42 Fugitive Dust Emissions Factors. Prepared for Wester Governors ’Association.