Ferroalloys emissions.Air quality (ICS: 13.040)
Pipeline Safety: Safety of Gas Transmission and Gathering Pipeline
PHMSA is seeking public comment on a second set of draft frequently asked questions (Batch-2 FAQs) to facilitate implementation of its final rule titled "Safety of Gas Transmission Pipelines: MAOP Reconfirmation, Expansion of Assessment Requirements, and other Related Amendments" (Gas Transmission Rule).