Environmental Protection Agency, Region 4. 2021. Sixth Five-Year Review Report for Smith’s Farm Superfund Site Bullitt County, Kentucky.

Environmental Protection Agency, Region 4. 2016. Fifth Five-Year Review Report for Smith’s Farm Superfund Site Bullitt County, Kentucky.

Environmental Protection Agency, Region 4. 2011 Fourth Five-Year Review Report for Smith’s Farm Superfund Site Bullitt County, Kentucky.

Environmental Protection Agency, Region 4. 2006. Third Five-Year Review Report for Smith’s Farm Superfund Site Bullitt County, Kentucky.

Environmental Protection Agency. 2022. Superfund Redevelopment Using Opportunity Zone Tax Incentives. Retrieved from epa.gov.

Environmental Protection Agency, Region 4. 1991. Superfund Record of Decision: Smith’s Farm Site (First Operable Unit), Bullitt County, KY.

Arcosa Lightweight. 2022. About Us. Retrieved from arcosalightweight.com

Environmental Protection Agency. (n.d.) Detailed Facility Report: Arcosa Lightweight. Retrieved from echo.epa.gov

U.S. Securities and Exchange Commission. (n.d.). Presentation of Information. Retrieved from sec.gov/archives

Environmental Protection Agency. 2022. Superfund: Five Year Reviews. Retrieved from epa.gov

Environmental Protection Agency, Region 4. 1989. Superfund Record of Decision: Smith’s Farm Site, Bullitt County, KY.

Environmental Protection Agency, Region 4. 1993. Superfund Record of Decision: Smith’s Farm Site (Second Operable Unit), Bullitt County, KY.

Environmental Protection Agency, Region 4. 2021. Superfund Operations and Maintenance Report: Smith’s Farm Site Bullitt County, KY.

Agency for Toxic Substances and Disease Registry. 2022. Toxic Substances Portal. Retrieved from cdc.gov/TSP/index.aspx

Environmental Protection Agency. 2022. Substance Registry Service. Retrieved from sor.epa.gov/sor_internet/registry/substreg/LandingPage.do_.

Environmental Protection Agency. 2022. Polychlorinated Biphenyls (PCBs). Retrieved from epa.gov/pcbs

U.S. Census Bureau. 2021. ACS 1-Year Estimates Data Profiles. Retrieved from data.census.gov/cedsci/

Centers for Disease Control and Prevention and Agency for Toxic Substances Disease Registry. 2022. Environmental Justice Index. Retrieved from atsdr.cdc.gov

Centers for Disease Control and Prevention. 2019. 500 Cities: Census Tract Level Data. Retrieved from chronicdata.cdc.gov/500-Cities-Places/500-Cities-Census-Tract-level-Data-GIS-Friendly-Fo/k86t-wghb