SUBCHAPTER D—PIPELINE SAFETY (Parts 186–199)
- PART 190—PIPELINE SAFETY PROGRAMS AND RULEMAKING PROCEDURES
- PART 191—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE; ANNUAL REPORTS, INCIDENT REPORTS, AND SAFETY-RELATED CONDITION REPORTS
- PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
- PART 193—LIQUEFIED NATURAL GAS FACILITIES: FEDERAL SAFETY STANDARDS
- PART 194—RESPONSE PLANS FOR ONSHORE OIL PIPELINES
- PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE
- PART 198—REGULATIONS FOR GRANTS TO AID STATE PIPELINE SAFETY PROGRAMS
- PART 199—DRUG AND ALCOHOL TESTING