StacksVerified U.S. regulatory reference

40 CFR §63.7907

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)If you use a floating membrane cover according to § 63.7905(b)(1), you must visually inspect the floating membrane cover and its closure devices at least annually according to the requirements in § 63.946(a).
  2. (b)If you use a cover vented to a control device according to § 63.7905(b)(2), you must meet requirements in paragraphs (b)(1) and (2) of this section.
    1. (1)You must visually inspect the cover and its closure devices for defects according to the requirements in § 63.946(b).
    2. (2)You must monitor and inspect the closed vent system and control device according to the requirements in § 63.7927 that apply to you.