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Senate roll call 466 · 100th Congress · Mar 14, 1988

To consider treaty doc. 100-10, montreal protocol on substances that deplete the ozone layer, a treaty to reduce the production and use of substances which harm

On Mar 14, 1988, the Senate voted 82–1 (TREATYDOC 100). Result: passed. By party: Democrats 43–0, Republicans 39–1. It was a bipartisan vote: majorities of both parties voted yes. 1 member voted against their own party.

During the 100th Congress (1987–1988), Ronald Reagan was president, and Democrats held majorities in both the House and Senate.

Yes
82
No
1
Did not vote
18
Date
Mar 14, 1988

By party

  • Republicans39 yes · 1 no · 6 didn’t vote
  • Democrats43 yes · 0 no · 12 didn’t vote

Who broke with their party

How each senator voted: Yes

How each senator voted: No

Did not vote

Other votes

From Voteview roll call records.

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Capitol Receipts, “To consider treaty doc. 100-10, montreal…: Senate Vote, Mar 14, 1988,” https://www.capitolreceipts.com/vote/100-S-466/to-consider-treaty-doc-100-10-montreal-protocol-on (accessed 2026-10-17).

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