coverage from
i
What that date means
Coverage begins on 2026-09-01, which is when this archive started holding
Federal Register issues — not when the agency started publishing.
Anything earlier is absent from this page, and its absence is not evidence.
The Pipeline and Hazardous Materials Safety Administration reopened the public comment period until September 4, 2026, for joint advisory committee proceedings on thirteen pipeline safety proposed rules.
The Pipeline and Hazardous Materials Safety Administration published a notice that the Federal Hazardous Materials Transportation Act preempts California's reusability mandate for propane cylinders.
The Pipeline and Hazardous Materials Safety Administration published three notices regarding special permits for hazardous materials applications and decisions.
The Pipeline and Hazardous Materials Safety Administration published a notice inviting comments on proposed updates to the Hazardous Materials Incident Report form.
The Pipeline and Hazardous Materials Safety Administration published notice of a public meeting of the Liquid Pipeline Advisory Committee to discuss proposed rulemakings on tank inspection, pipeline rectifiers, and valve maintenance.
The Pipeline and Hazardous Materials Safety Administration amended hazardous materials regulations to incorporate the 2015 ASME Boiler and Pressure Vessel Code Section XII and National Board Inspection Code.
The Pipeline and Hazardous Materials Safety Administration published notices on actions, modifications, and new applications for hazardous materials special permits.
Ask an assistant instead
Everything on this page is also a tool call. Add
mcp.downstream.sh as an MCP server in Claude, ChatGPT, or any client that speaks the
protocol — no key, no account — then paste this:
Using the Downstream MCP server at mcp.downstream.sh, call whats_new_since with agency "Pipeline and Hazardous Materials Safety Administration" since 2026-09-01, then tell me what this agency has been working on and which of its deadlines are still open.
Reaches whats_new_since. The response carries its own citations
and states what it is missing — including which dates it has no record for.