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§ 60.482-5a Standards: Sampling connection systems.
(a) Each sampling connection system shall be equipped with a closed-purge, closed-loop, or closed-vent system, except as provided in § 60.482–1a(c) and paragraph (c) of this section.
(b) Each closed-purge, closed-loop, or closed-vent system as required in paragraph (a) of this section shall comply with the requirements specified in paragraphs (b)(1) through (4) of this section.
(1) Gases displaced during filling of the sample container are not required to be collected or captured.
(2) Containers that are part of a closed-purge system must be covered or closed when not being filled or emptied.