[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: 40CFR58.46]

[Page 217]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 58--AMBIENT AIR QUALITY SURVEILLANCE--Table of Contents
 
     Subpart E--Photochemical Assessment Monitoring Stations (PAMS)
 
Sec. 58.46  System modification.

    (a) Any proposed changes to the PAMS network description will be 
evaluated during the annual SLAMS Network Review specified in 
Sec. 58.20. Changes proposed by the State must be approved by the 
Administrator. The State will be allowed 1 year (until the next annual 
evaluation) to implement the appropriate changes to the PAMS network.
    (b) PAMS network requirements are mandatory only for serious, 
severe, and extreme O3 nonattainment areas. When any such 
area is redesignated to attainment, the State may revise its PAMS 
monitoring program subject to approval by the Administrator.