S. Rept. 116-75: Appalachian Energy for National Security Act, Report to Accompany S. 1064, Including Cost Estimate of the Congressional Budget Office, August 16, 2019 [open pdf - 358KB]
From the Purpose: "The purpose of S. 1064 is to require the Secretary of Energy (Secretary) to conduct a study on the national security implications of building ethane and other natural-gas-liquids-related petrochemical infrastructure in the United States."
S. Rept. 116-75; Senate Report 116-75
Government Publishing Office: http://www.gpo.gov/