[Code of Federal Regulations]
[Title 40, Volume 8]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR61.243-2]

[Page 164]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
--Table of Contents
 
   Subpart V_National Emission Standard for Equipment Leaks (Fugitive 
                            Emission Sources)
 
Sec. 61.243-2  Alternative standards for valves in VHAP 
service--skip period leak detection and repair.

    (a)(1) An owner or operator may elect for all valves within a 
process unit to comply with one of the alternative work practices 
specified in paragraphs (b)(2) and (3) of this section.
    (2) An owner or operator must notify the Administrator before 
implementing one of the alternative work practices, as specified in 
Sec. 61.247(d).
    (b)(1) An owner or operator shall comply initially with the 
requirements for valves, as described in Sec. 61.242-7.
    (2) After 2 consecutive quarterly leak detection periods with the 
percentage of valves leaking equal to or less than 2.0, an owner or 
operator may begin to skip one of the quarterly leak detection periods 
for the valves in VHAP service.
    (3) After five consecutive quarterly leak detection periods with the 
percentage of valves leaking equal to or less than 2.0, an owner or 
operator may begin to skip three of the quarterly leak detection periods 
for the valves in VHAP service.
    (4) If the percentage of valves leaking is greater than 2.0, the 
owner or operator shall comply with the requirements as described in 
Sec. 61.242-7 but may again elect to use this section.

[49 FR 23513, June 6, 1984, as amended at 65 FR 62158, Oct. 17, 2000]

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