---
kind: "section"
citation: "30 C.F.R. § 90.206"
title: "30"
number: "90.206"
heading: "Exercise of option or transfer sampling."
url: "https://uscodex.org/cfr/30/90.206"
---

# §90.206. Exercise of option or transfer sampling.

- (a) The operator shall take five valid representative dust samples for each [part 90](/cfr/30/part90.md) miner within 15 calendar days after:
  - (1) The 20-day period specified for each [part 90](/cfr/30/part90.md) miner in [§ 90.100](/cfr/30/90.100.md); and
  - (2) Implementing any transfer after the 20th calendar day following receipt of notification from MSHA that a [part 90](/cfr/30/part90.md) miner is employed at the mine.
- (b) Noncompliance with the standard shall be determined in accordance with [§ 90.207(d)](/cfr/30/90.207.md?p=d).
- (c) Upon issuance of a citation for a violation of the standard, the operator shall comply with [§ 90.207(f)](/cfr/30/90.207.md?p=f).

## Notes

### Amendments

[89 FR 28484, Apr. 18, 2024]

### Source

Source: 79 FR 24990, May 1, 2014, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811, 813(h), 957.

### Source

Source: 45 FR 80769, Dec. 5, 1980, unless otherwise noted.

### Amendments

[89 FR 28484, Apr. 18, 2024]