30 CFR § 47.86 - Denial of a written request for disclosure.

---
identifier: "/us/cfr/t30/s47.86"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 47.86 - Denial of a written request for disclosure."
title_number: 30
title_name: "Mineral Resources"
section_number: "47.86"
section_name: "Denial of a written request for disclosure."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "H"
subchapter_name: "EDUCATION AND TRAINING"
part_number: "47"
part_name: "HAZARD COMMUNICATION (HazCom)"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811, 825."
regulatory_source: "67 FR 42383, June 21, 2002, unless otherwise noted."
cfr_part: "47"
---


# 47.86 Denial of a written request for disclosure.

To deny a written request for disclosure of the identity of a trade secret chemical, the operator must—

(a) Put the denial in writing,

(1) Including evidence to substantiate the claim that the chemical's identity is a trade secret,

(2) Stating the specific reasons why the request is being denied, and

(3) Explaining how alternative information will satisfy the specific medical or occupational health need without revealing the chemical's identity.

(b) Provide the denial to the health professional, miner, or designated representative within 30 days of the request.