TY - BOOK T1 - The plain English guide to the Clean Air Act / DA - [1993] CY - Washington, DC : AU - Karstadt, Myra. AU - Callaghan, Brian. CN - EP 4.8: CN - TD883.2 PB - U.S. Environmental Protection Agency, Air and Radiation : PB - For sale by the U.S. G.P.O., Supt. of Docs., PP - Washington, DC : PY - [1993] N1 - Cover title. N1 - "April 1993." N1 - Shipping list no.: 93-0444-P. N1 - 055-000-00438-2 (GPO) ID - 158926 KW - Air SN - 0160362830 : TI - The plain English guide to the Clean Air Act / ER -