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S. 1630 (101st): Clean Air Act Amendments of 1990

Apr 3, 1990 at 9:02 p.m. ET. On Passage of the Bill in the Senate.

This was a vote to pass S. 1630 (101st) in the Senate.

It was not the final Senate vote on the bill. See the history of S. 1630 (101st) for further details.


All Votes D R
Yea 89%
Nay 11%

Bill Passed. Simple Majority Required. Source:

The Yea votes represented 90% of the country’s population by apportioning each state’s population to its voting senators.

Ideology Vote Chart

Key: D Yea R Yea D Nay R Nay
Seat position based on our ideology score.

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Vote Details

Notes: “Aye” or “Yea”?
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Statistically Notable Votes

Statistically notable votes are the votes that are most surprising, or least predictable, given how other members of each voter’s party voted and other factors.

All Votes