30 C.F.R. § 60.16 – Recordkeeping requirements.

(a) Table 1 to this paragraph (a) lists the records the mine operator shall retain and their retention period.

(1) Evaluation records made under § 60.12(c) shall be retained for at least 5 years from the date of each evaluation.
(2) Sampling records made under § 60.12(g) shall be retained for at least 5 years from the sample date.
(3) Corrective actions records made under § 60.13(c) shall be retained for at least 5 years from the date of each corrective action. These records must be stored with the records of related sampling under § 60.12(g).
(4) Written determination records received from a PLHCP under § 60.14(b) shall be retained for the duration of the miner's employment plus 6 months.

(5) Written medical opinion records received from a PLHCP or specialist under § 60.15(f) shall be retained for the duration of the miner's employment plus 6 months.

Table 1 to Paragraph (a)—Recordkeeping Requirements
Record	Sectionreferences	Retention period
1. Evaluation records	§ 60.12(c)	At least 5 years from date of each evaluation.
2. Sampling records	§ 60.12(g)	At least 5 years from sample date.
3. Corrective actions records	§ 60.13(c)	At least 5 years from date of each corrective action.
4. Written determination records received from a PLHCP	§ 60.14(b)	Duration of miner's employment plus 6 months.
5. Written medical opinion records received from a PLHCP or specialist	§ 60.15(f)	Duration of miner's employment plus 6 months.

(b) Upon request from an authorized representative of the Secretary, from an authorized representative of miners, or from miners, mine operators shall promptly provide access to any record listed in this section.