---
kind: "section"
citation: "30 C.F.R. § 75.361"
title: "30"
number: "75.361"
heading: "Supplemental examination."
url: "https://uscodex.org/cfr/30/75.361"
---

# §75.361. Supplemental examination.

- (a)
  - (1) Except for certified persons conducting examinations required by this subpart, within 3 hours before anyone enters an area in which a preshift examination has not been made for that shift, a certified person shall examine the area for hazardous conditions and violations of the mandatory health or safety standards referenced in [paragraph (a)(2)](#a-2) of this section, determine whether the air is traveling in its proper direction and at its normal volume, and test for methane and oxygen deficiency.
  - (2) Supplemental examinations shall include examinations to identify violations of the standards listed below:
    - (i) §§ [75.202(a)](/cfr/30/75.202.md?p=a) and [75.220(a)(1)](/cfr/30/75.220.md?p=a-1)—roof control;
    - (ii) §§ [75.333(h)](/cfr/30/75.333.md?p=h) and [75.370(a)(1)](/cfr/30/75.370.md?p=a-1)—ventilation, methane;
    - (iii) §§ [75.400](/cfr/30/75.400.md) and [75.403](/cfr/30/75.403.md)—accumulations of combustible materials and application of rock dust;
    - (iv) [§ 75.1403](/cfr/30/75.1403.md)—other safeguards, limited to maintenance of travelways along belt conveyors, off track haulage roadways, and track haulage, track switches, and other components for haulage;
    - (v) [§ 75.1722(a)](/cfr/30/75.1722.md?p=a)—guarding moving machine parts; and
    - (vi) [§ 75.1731(a)](/cfr/30/75.1731.md?p=a)—maintenance of belt conveyor components.
- (b) **Certification.** At each working place examined, the person making the supplemental examination shall certify by initials, date, and the time, that the examination was made. In areas required to be examined outby a working section, the certified person shall certify by initials, date, and the time at enough locations to show that the entire area has been examined.

## Notes

### Amendments

[61 FR 9829, Mar. 11, 1996, as amended at 77 FR 20714, 2012]

### Authority

Authority: 30 U.S.C. 811, 863.

### Source

Source: 61 FR 9829, Mar. 11, 1996, unless otherwise noted.

### Authority

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

### Source

Source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.

### Amendments

[61 FR 9829, Mar. 11, 1996, as amended at 77 FR 20714, 2012]