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Letters Related to 49 CFR Title
190 Pipeline Safety Programs and Rulemaking Procedures
191 Transportation of Natural and Other Gas by Pipeline: Annual Reports, Incident Reports, and Safety-Related Condition Reports
192 Transportation of natural and other gas by pipeline: minimum Federal safety standards
193 Liquefied Natural Gas Facilities
194 Response Plans For Onshore Oil Pipelines
195 Transportation of Hazardous Liquids by Pipeline
198 Regulations for grants to aid state pipeline safety programs
199 Control of Drug Use in Natural Gas, Liquefied Natural Gas, and Hazardous Liquid Pipeline Operations
40 Procedures for Transportation Workplace
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