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Pipeline Safety Guidance
| Stay of Enforcement | |
| API 5L and API 1104 |
| Enforcement Guidance | |
| In some selected areas Enforcement Guidance is available that clarifies PHMSA's enforcement authority by identifying and summarizing precedent, including that from Interpretations, Advisory Bulletins, Final Orders, and Decisions on Petitions for Reconsideration. This guidance facilitates improved enforcement consistency, provides a strong tool for building sound enforcement cases, and is particularly helpful where precedence exists for clarifying performance-based requirements. |
| Pipeline Advisory Bulletins | |
| PHMSA uses Advisory Bulletins to inform affected pipeline operators and all Federal and State pipeline safety personnel of matters that have the potential of becoming safety and/or environmental risks. |
| Letters of Interpretation | |
| Pipeline Safety provides written clarifications of the Regulations (49 CFR Parts 186-199) in the form of interpretation letters. |
| Special Permits | |
| Operator petitions for Special Permits (formerly "Waivers") from regulations. |
| Onshore Gas Gathering FAQ (PDF) | |
| This set of frequently asked questions (FAQs) is intended to clarify, explain, and promote better understanding of the Gas Gathering Line rules. Find more information and FAQs at Pipeline Regulations. |
| Gas Integrity Management | |
| This website provides information to regulators and pipeline operators on Gas Integrity Mangement including information on PHMSA's inspection and enforcement of the Gas IM Rule. It includes links to guideance on Gas IM protocols and an extensive Gas IM FAQ. |
| Hazardous Liquid Integrity Mangement | |
| This website provides infromation to regulators and pipeline operators on Hazardous Liquid Integrity Management including information on PHMSA's inspection and enforcement of the HL IM Rule. It includes links to guidance on HL IM protocols and an extensive HL IM FAQ. |
| Small Natural Gas Systems Manual | |
| The natural gas pipeline industry consists of transmission and distribution companies. These pipeline systems can be simple or complicated. However, all gas pipeline companies are held to the same safety standards. |
| Small LP Gas Systems Manual | |
| This manual for operators of small LP gas systems was developed to provide an overview of pipeline compliance responsibilities under the Federal pipeline safety regulations. It is designed for the non-technically trained person who operates a master meter system, a small municipal system, or small independent system. |
| Drug and Alcohol Program | |
| Policy and investigation to deter and detect illegal drug use and alcohol misuse in the pipeline industry. |
| Pipeline Safety Initiatives | |
| Risk Management, R&D, programs/initiatives for mandated regulatory and enforcement responsibilities. |
| Training & Qualifications pages | |
| For industry, the regulator, and the inspector. |
| Alternative Maximum Allowable Operating Pressure (MAOP) FAQs | |
| Alternative Maximum Allowable Operating Pressure (MAOP) FAQs ¿ This section includes a list of Frequently Asked Questions (FAQs) intended to clarify, explain, and promote better understanding of the pipeline alternative maximum allowable operating pressure (MAOP) rules |