EPA TSCA Section 6 chemical risk management status: prohibitions, effective dates, and exemptions

Status of EPA risk management rules for chemicals found to present unreasonable risk under TSCA Section 6. Each record is one chemical with its current rule status (proposed/final/effective), effective dates for prohibitions, specific uses prohibited, and any exemptions or compliance date extensions. Currently covers ~11 chemicals under Section 6(a) active risk management plus 5 PBT chemicals under Section 6(h). The pipeline has 20+ more chemicals in risk evaluation. Answers 'is [chemical] being regulated under TSCA?', 'when does the prohibition on methylene chloride take effect?', 'which uses of TCE are exempt?', and 'what is the current rule status for 1-bromopropane?'

The data

Where this came from

Every record above links the page it was taken from and quotes the sentence that states it. These are the 12 sources this dataset was assembled from.

• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-14-dioxane
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-1-bromopropane-1-bp
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/persistent-bioaccumulative-and-toxic-pbt-chemicals-under
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-asbestos-part-1-chrysotile-asbestos
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-ci-pigment-violet-29
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-carbon-tetrachloride
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-cyclic-aliphatic-bromide-cluster-hbcd
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-methylene-chloride
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-n-methylpyrrolidone-nmp
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-perchloroethylene-pce
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/regulation-chemicals-under-section-6a-toxic-substances
• epa.govhttps://www.epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-trichloroethylene-tce

Machine-readable

• data.jsonThe whole dataset — every record with its source URL and source quote.
• Open Knowledge Format bundleOne JSON object per line — every record's frontmatter and quoted span exactly as it is held here, in one fetch.
• data.csvThe same records as one flat table, for a spreadsheet or a dataframe. The last four columns are the source URL, the quoted sentence it was read from, the date we last checked it, and which columns are our reading rather than the page's words.
• How this is made and checkedWhat "verified against source" does and does not mean.

From your own code

Same records, same quotes, without scraping the page: refsource is on PyPI and npm. Each value comes back carrying the URL it was read from and the sentence on that page that states it — .source and .quote sit on the value itself rather than in a side channel, so the checking step is available instead of skipped.

pip install refsource
refsource lookup tsca-section-6-chemical-risk-management-status chemical=1,4-Dioxane

npx -y refsource lookup tsca-section-6-chemical-risk-management-status chemical=1,4-Dioxane

Set your AI assistant up to use this

Two files and no account. Put this in .mcp.json at the root of your project — Claude Code, Cursor, Windsurf, VS Code and Codex all read that file — and your assistant can look this dataset up instead of recalling it. The server is remote, keyless and read-only.

{
  "mcpServers": {
    "referencesource": {
      "type": "http",
      "url": "https://referencesource.org/mcp"
    }
  }
}

Add to Cursor · or, on the command line: claude mcp add --transport http referencesource https://referencesource.org/mcp --scope project

Then one line in the project's CLAUDE.md or AGENTS.md, so the assistant knows when to reach for it:

When a question needs "EPA TSCA Section 6 chemical risk management status: prohibitions, effective dates, and exemptions", call the referencesource MCP server at https://referencesource.org/mcp (tool `search_records`, dataset_slug `tsca-section-6-chemical-risk-management-status`) instead of answering from memory — every record it returns carries its source URL and a verbatim quote from that page.

What each tool does, and the servers built over single registers: Connect your AI assistant.

16 records. last verified against source 2026-09-27. due for re-check by 2026-11-16.

Licence. US federal regulation — public domain