StacksVerified U.S. regulatory reference

30 CFR §90.206

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)The operator shall take five valid representative dust samples for each part 90 miner within 15 calendar days after:
    1. (1)The 20-day period specified for each part 90 miner in § 90.100; and
    2. (2)Implementing any transfer after the 20th calendar day following receipt of notification from MSHA that a part 90 miner is employed at the mine.
  2. (b)Noncompliance with the standard shall be determined in accordance with § 90.207(d).
  3. (c)Upon issuance of a citation for a violation of the standard, the operator shall comply with § 90.207(f).