§ 63.135 Process wastewater provisions—containers.
(a) For each container that receives, manages, or treats a Group 1 wastewater stream or a residual removed from a Group 1 wastewater stream, the owner or operator shall comply with the requirements of paragraphs (b) through (f) of this section.
(b) The owner or operator shall operate and maintain a cover on each container used to handle, transfer, or store a Group 1 wastewater stream or residual removed from a Group 1 wastewater stream in accordance with the following requirements:
(1) Except as provided in paragraph (d)(4) of this section, if the capacity of the container is greater than 0.42 m , the cover and all openings (e.g., bungs, hatches, sampling ports, and pressure relief devices) shall be maintained in accordance with the requirements specified in § 63.148 of this subpart.
(2) If the capacity of the container is less than or equal to 0.42 m , the owner or operator shall comply with either paragraph (b)(2)(i) or (b)(2)(ii) of this section.