(a) In addition to NFPA 52 §5.3.1, all appurtenances
and equipment placed into CNG service shall be certified, marked,
or listed by a nationally recognized laboratory such as Underwriters
Laboratory (UL), Factory Mutual (FM), CSA International, or such other
laboratories approved by AFS unless:
(1) it is specifically prohibited for use by another
section of this chapter; or
(2) there is no test specification or procedure developed
by the testing laboratory for the appurtenance or equipment.
(b) In addition to NFPA 52 §1.4.1, appurtenances
and equipment that cannot be listed but are not prohibited for use
by the rules in this chapter shall be acceptable for CNG service provided
the appurtenances and equipment are installed in compliance with the
applicable rules in this chapter.
(c) In addition to NFPA 52 §1.4.1.2, the licensee
or operator of the appurtenances or equipment shall maintain documentation
sufficient to substantiate any claims made regarding the safety of
any valves, fittings, and equipment and shall, upon request, furnish
copies to AFS.
(d) Compliance under this section does not ensure conformity
with other state and federal regulations, such as those of the Texas
Commission on Environmental Quality or its successor agencies.
(e) Components of CNG stationary installations which
are not specifically covered by the rules in this chapter shall not
be placed into service until AFS has determined the installation complies
with the rules in this chapter. AFS may require any change to a proposed
stationary installation which the Commission may consider necessary
to ensure the CNG installation is safe for CNG service. If the affected
party disagrees with AFS' determination, the party may request a hearing
as described in §13.15 of this title (relating to Penalty Guidelines
and Enforcement). However, the installation shall not be placed into
CNG operation until the Commission has determined the installation
complies with the rules of this chapter.
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