June l975 | Johnson Wax, the nation's fifth largest manufacturer of aerosol sprays, announces it will stop using CFCs in its products. |
June l975 | A government task force called IMOS defers the decision to regulate CFCs to the pending NAS report. |
June l975 | Oregon becomes the first state to ban CFCs in aerosol sprays. |
July 1975 | The Consumer Product Safety Commission rejects the NRDC's lawsuit claiming that there is insufficient evidence that CFCs harm the ozone layer. |
September l976 | The National Academy of Sciences releases its report verifying the Rowland-Molina hypothesis, but says government action on CFC regulations should be postponed. |
October 1976 | The Food and Drug Administration and Environmental Protection Agency propose a phase-out of CFCs used in aerosols. |
March 1977 | The United Nations Environmental Program holds the first international meeting to discuss ozone depletion. |
May 1977 | Several government agencies announce joint plans to limit the uses of CFCs in aerosols. |
October 1978 | CFCs used in aerosols are banned in the United States. |
November 1979 | A second NAS report on the CFC-ozone theory is released, putting depletion estimates at 16.5 percent and practical. |
April 1980 | The EPA announces the United States' intention to freeze all CFC production at 1979 levels. |
October 1980 | The EPA, under the Carter administration, releases an Advanced notice of proposed rule-making outlining plans for additional CFC regulations. |
July 1981 | Hearings are held in Washington to discuss protection of small businesses from possible new CFC regulations. Hearings are highly critical of the Advanced Notice of Proposed Rule making. |