[Title 40 CFR 60.593a]
[Code of Federal Regulations (annual edition) - July 1, 2009 Edition]
[Title 40 - PROTECTION OF ENVIRONMENT]
[Chapter I - ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)]
[Subchapter C - AIR PROGRAMS (CONTINUED)]
[Part 60 - STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--]
[Subpart Ggga - Standards of Performance for Equipment Leaks of VOC in]
[Sec. 60.593a - Exceptions.]
[From the U.S. Government Printing Office]


40PROTECTION OF ENVIRONMENT62009-07-012009-07-01false60.593aSec. 60.593aPROTECTION OF ENVIRONMENTENVIRONMENTAL PROTECTION AGENCY (CONTINUED)AIR PROGRAMS (CONTINUED)STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--Standards of Performance for Equipment Leaks of VOC in
Sec. 60.593a  Exceptions.

    (a) Each owner or operator subject to the provisions of this subpart 
may comply with the following exceptions to the provisions of subpart 
VVa of this part.
    (b)(1) Compressors in hydrogen service are exempt from the 
requirements of Sec. 60.592a if an owner or operator demonstrates that 
a compressor is in hydrogen service.
    (2) Each compressor is presumed not to be in hydrogen service unless 
an owner or operator demonstrates that the piece of equipment is in 
hydrogen service. For a piece of equipment to be considered in hydrogen 
service, it must be determined that the percent hydrogen content can be 
reasonably expected always to exceed 50 percent by volume. For purposes 
of determining the percent hydrogen content in the process fluid that is 
contained in or contacts a compressor, procedures that conform to the 
general method described in ASTM E260-73, 91, or 96, E168-67, 77, or 92, 
or E169-63, 77, or 93 (incorporated by reference as specified in Sec. 
60.17) shall be used.

[[Page 626]]

    (3)(i) An owner or operator may use engineering judgment rather than 
procedures in paragraph (b)(2) of this section to demonstrate that the 
percent content exceeds 50 percent by volume, provided the engineering 
judgment demonstrates that the content clearly exceeds 50 percent by 
volume. When an owner or operator and the Administrator do not agree on 
whether a piece of equipment is in hydrogen service, however, the 
procedures in paragraph (b)(2) of this section shall be used to resolve 
the disagreement.
    (ii) If an owner or operator determines that a piece of equipment is 
in hydrogen service, the determination can be revised only after 
following the procedures in paragraph (b)(2).
    (c) Any existing reciprocating compressor that becomes an affected 
facility under provisions of Sec. 60.14 or Sec. 60.15 is exempt from 
Sec. 60.482-3a(a), (b), (c), (d), (e), and (h) provided the owner or 
operator demonstrates that recasting the distance piece or replacing the 
compressor are the only options available to bring the compressor into 
compliance with the provisions of Sec. 60.482-3a(a), (b), (c), (d), 
(e), and (h).
    (d) An owner or operator may use the following provision in addition 
to Sec. 60.485a(e): Equipment is in light liquid service if the percent 
evaporated is greater than 10 percent at 150 [deg]C as determined by 
ASTM Method D86-78, 82, 90, 93, 95, or 96 (incorporated by reference as 
specified in Sec. 60.17).
    (e) Pumps in light liquid service and valves in gas/vapor and light 
liquid service within a process unit that is located in the Alaskan 
North Slope are exempt from the requirements of Sec. Sec. 60.482-2a and 
60.482-7a.
    (f) Open-ended valves or lines containing asphalt as defined in 
Sec. 60.591a are exempt from the requirements of Sec. 60.482-6a(a) 
through (c).
    (g) Connectors in gas/vapor or light liquid service are exempt from 
the requirements in Sec. 60.482-11a, provided the owner or operator 
complies with Sec. 60.482-8a for all connectors, not just those in 
heavy liquid service.