For Release 

 on Delivery 

 Expected ai 

 900 a.m EDT 

 Friday 

 April 29. 1994 



9 



United States General Accounting Office 



f~l AT) Testimony 



v - j -** lV --' Before the Environment, Energy and Natural Resources 



Subcommittee, Committee on Government Operations, House 

 of Representatives 



AIR POLLUTION 



Regional Approaches Are 

 Needed to Protect Visibility in 

 National Parks and Wilderness 

 Areas 



Statement of Bernice Steinhardt, 



Associate Director, Environmental Protection Issues, 



Resources, Community, and Economic Development Division 



GAO/T-RCED-94-102 



