Facility ID: 82007FRNTR2700E Facility Name and Address: CHEYENNE RENEWABLE DIESEL CO LLC 2700 E. 5TH STREET CHEYENNE, WY 82007 Parent Company: HF SINCLAIR CORP Industry: Petroleum Refineries (324110) Chemical: Carbon tetrachloride Reports: View TRI Facility profile report for this facility View TRI Form R submissions by this facility

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Pollution Prevention Activities for Selected Chemical

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Reporting Year	Section 8.10: Newly Implemented Source Reduction Activity	Section 8.10: Methods to Identify Activity	Section 8.11: Optional Pollution Prevention Information*
1993	Source Reduction:: W42: Substituted raw materials	Methods to Identify SR Opportunities: T05: Employee recommendation (independent of a formal company program)

*Classifications of Optional Pollution Prevention Information shown in brackets are provided by EPA.