발표 잘해서 A+ 학점 맞았습니다.
자료에 최선을 다했습니다.
2-2 the history of federally enacted laws (pre-1970)
The Air Pollution Control Act of 1955
- the first federally legislation, but narrow in scope and potential
- the federal government vs states
* research on the effects of air pollution by U.S Public Health Service
* provision for technical assistance to the state by the federal government
* training of individuals in the area of air pollution
* in-house and out-house research on air pollution control