(a) You must inspect each container using Container Level 1 or Container Level 2 controls according to the requirements in § 63.926(a).

(b) If you use Container Level 3 controls, you must meet requirements in paragraphs (b)(1) and (2) of this section, as applicable to your site remediation.

(1) You must perform the verification procedure for each permanent total enclosure annually according to the requirements in § 63.924(c)(1).

(2) You must monitor and inspect each closed vent system and control device according to the requirements in § 63.7927 that apply to you.