Page history
15 January 2020
25 December 2019
17 June 2019
28 September 2017
17 October 2013
15 December 2012
16 March 2011
SW: →March 2011: New EPA Standards for Mercury and Air Toxics Proposed: - add section
+928
SW: →U.S. Regulations: - add section
+2,790
8 March 2011
SW: →2011 American Lung Association report on health effects: - add internal link
+4
SW: →Soot and global warming: - add section
+857
3 March 2011
SW: →EPA finds Clean Air Act benefits will add up to $2 trillion by 2020, mainly from PM regulations: size
SW: →EPA finds Clean Air Act benefits will add up to $2 trillion by 2020, mainly from PM regulations: pic
+98
2 March 2011
23 February 2011
SW: →Health costs: - add internal link
+19
SW: →Health costs: - fix broken link
SW: →Health costs: - add external link
-44
SW: →Health effects: - add section
+1,610
20 February 2011
16 December 2010
10 December 2010
SW: →U.S. Regulations: - fix grammar
-8
SW: →Regulation: - add section
+6
SW: →Regulation: - add section
+942
SW: →Regulation: - add section
+734
6 September 2010
5 September 2010
SW: →Regulation: add info
+22
SW: →Soot and global warming: - fix punctuation
+1
SW: fix punctuation
+1
SW: →Soot and global warming: - add internal link
+3
SW: add section
+1,388
25 August 2010
SW: →Health effects: - fix grammar
+31
SW: →Regulation: - fix grammar
+16
SW: bold
+2
SW: add section
+2,974