WASHINGTON, Sept. 29 (TNSLrpt) -- The Congressional Research Service issued the following report (No. R49350) on Sept. 14, 2026, entitled "National Ambient Air Quality Standards and Selected Issues for Congress" by environmental policy analysts Jonathan D. Haskett and Omar M. Hammad.

Here are excerpts:

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SUMMARY

Congress passed the Clean Air Act Amendments of 1970 to provide "a more effective program to improve the quality of . . .

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