[Code of Federal Regulations]
[Title 40, Volume 5]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR57.101]

[Page 131]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 57--PRIMARY NONFERROUS SMELTER ORDERS--Table of Contents
 
                           Subpart A--General
 
Sec. 57.101  Purpose and scope.


    (a) Applicability of the regulations. The regulations in subparts A 
through H govern:
    (1) The eligibility of smelters for a Primary Nonferrous Smelter 
Order (NSO) under section 119 of the Clean Air Act;
    (2) The procedures through which an NSO can be approved or issued by 
EPA; and
    (3) The minimum contents of each NSO required for EPA issuance or 
approval under section 119. Subpart I et seq., will contain NSOs in 
effect for individual smelters.
    (b) State authority to adopt more stringent requrements. Nothing in 
this part shall preclude a State from imposing more stringent 
requirements, as provided by section 116 of the Clean Air Act.