Section 258.29 - Recordkeeping requirements(a) The owner or operator of a MSWLF unit must record and retain near the facility in an operating record or in an alternative location approved by the Director of an approved State the following information as it becomes available: (1) Any location restriction demonstration required under subpart B of this part;(2) Inspection records, training procedures, and notification procedures required in § 258.20 of this part;(3) Gas monitoring results from monitoring and any remediation plans required by § 258.23 of this part;(4) Any MSWLF unit design documentation for placement of leachate or gas condensate in a MSWLF unit as required under § 258.28(a)(2) of this part;(5) Any demonstration, certification, finding, monitoring, testing, or analytical data required by subpart E of this part;(6) Closure and post-closure care plans and any monitoring, testing, or analytical data as required by §§ 258.60 and 258.61 of this part; and(7) Any cost estimates and financial assurance documentation required by subpart G of this part.(8) Any information demonstrating compliance with small community exemption as required by § 258.1(f)(2) .(b) The owner/operator must notify the State Director when the documents from paragraph (a) of this section have been placed or added to the operating record, and all information contained in the operating record must be furnished upon request to the State Director or be made available at all reasonable times for inspection by the State Director.(c) The Director of an approved State can set alternative schedules for recordkeeping and notification requirements as specified in paragraphs (a) and (b) of this section, except for the notification requirements in § 258.10(b) and § 258.55(g)(1)(iii) .(d) The Director of an approved state program may receive electronic documents only if the state program includes the requirements of 40 CFR Part 3-(Electronic reporting).56 FR 51016, Oct. 9, 1991, as amended at 70 FR 59888 , Oct. 13, 2005