In the US, the ban on producing and importing CFCs took effect on January 1 of which year?

January 1, 1996 for CFCs, and 1994 for halons.

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  1. 1987
  2. 2010
  3. 1996 ✔

Why: Section 604 of the Clean Air Act set the phaseout for Class I ozone-depleting substances. Halons were banned first, then CFCs and most other Class I chemicals two years later.

Huh, didn't know that: Halon production and import were banned on January 1, 1994.

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References

Answer: 1996. Section 604 of the Clean Air Act set the phaseout for Class I ozone-depleting substances. Halons were banned first, then CFCs and most other Class I chemicals two years later.

  1. Phaseout of Class I Ozone-Depleting Substances, US EPA www.epa.gov/ods-phaseout/phaseout-class-i-ozone-depleting-substances
    The ban on production and import of other Class I ODS
    Checked 2026-10-10.
  2. Phaseout of Class I Ozone-Depleting Substances, US EPA www.epa.gov/ods-phaseout/phaseout-class-i-ozone-depleting-substances
    took effect on January 1, 1996
    Checked 2026-10-10.

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