For database links, cut and paste the name and date of the article and the title of the database it was found in, because you can't click on the database links from home due to the passworded IP address.

http://web28.epnet.com/citation.asp?tb=1&_ug=sid+C4817EFE%2D1BDF%2D41DB%2D96ED%2D95027A390C1B%40sessionmgr6+dbs+nfh%2Culh+cp+1+9943&_us=frn+1+hs+False+or+Date+ss+SO+sm+KS+sl+%2D1+dstb+KS+mh+1+ri+KAAACBYC00076004+3A39&_uso=tg%5B0+%2D+db%5B1+%2Dulh+db%5B0+%2Dnfh+hd+False+clv%5B1+%2clv%5B0+%2D19900000%2D19900000+op%5B0+%2D+cli%5B1+%2DFT+cli%5B0+%2DDT1+st%5B0+%2DClean++Air+mdb%5B0+%2Dimh+D475&fn=1&rn=10

http://www.thecre.com/fedlw/legal14air/uscode42-ch85.htm

http://www.epa.gov/air/oa_caa.html/

EPA's official website on Clean Air Act.

http://www.ametsoc.org/loan/cleanair

Website with good summary and information. (also has important people)

Wikipedia's take on the Clean Air Act.

http://en.wikipedia.org/wiki/Clean_Air_Act

http://www.nga.org/portal/site/nga/menuitem.8358ec82f5b198d18a278110501010a0/?vgnextoid=28fa9e2f1b091010VgnV1000001a01010aRCRD

Website that explains roles of state and federal govts.

http://www.occupationalzards.com/safety_zones/34/article.php?id=11742

Explains how act is enforced

heres a good website for stage 4!!

http://www.tfhrc.org/pubrds/julaug98/clean.htm

http://www.airimpacts.gov/documents/local/BenCleanAirAct.pdf

describes possible impact of the act (look on page 7)