Looking Back at 50 Years of the Clean Air Act

The Clean Air Act Amendments of 1990: Clean Air at What Cost?

The Clean Air Act Amendments of 19901 ("Amendments") transform the federal statute which regulates air pollution into a behe-moth of over 700 pages in length. The Amendments add substantial new requirements to the Clean Air Act of 1970,2 as previously amended in 1977. 3 Even a cursory review of the Amendments demonstrates that their requirements will affect the cost and availability of many con...

Is the Clean Air Act unconstitutional?

Health issues in the Clean Air Act.

Major conclusions and recommendations of the National Commission on Air Quality on issues of health in the Clean Air Act are presented. The issues revolve mainly about the standard setting processes for ubiquitous pollutants, controlled through ambient air quality standards (Section 109), and for hazardous pollutants controlled through emission standards (Section 112). The conceptual difficulti...

Catching up on the Clean Air Act.

Four patients underwent intraoperative photodynamic therapy after surgery with meso-tetra(hydroxyphenyl)-chlorin (mTHPC-PDT) for diffuse malignant mesothelioma. Preliminary procedures were performed in two patients in order to establish the efficacy of mTHPC-PDT and to optimise its tumoricidal effect. The tumoricidal effect was related to the mTHPC dose, light dose and the time interval between...

Clean Air Act Amendments of 1990.