Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · U.S. Code · Title 30 - MINERAL LANDS AND MINING · CHAPTER 22— MINE SAFETY AND HEALTH · SUBCHAPTER II— INTERIM MANDATORY HEALTH STANDARDS · § 845

§ 845. Dust standards in presence of quartz

177 words·~1 min read·/usc/title-30/section-845

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

In coal mining operations where the concentration of respirable dust in the mine atmosphere of any working place contains more than 5 per centum quartz, the Secretary of Health and Human Services shall prescribe an appropriate formula for determining the applicable respirable dust standard under this subchapter for such working place and the Secretary shall apply such formula in carrying out his duties under this subchapter.
(Pub. L. 91–173, title II, § 205, Dec. 30, 1969, 83 Stat. 765; Pub. L. 96–88, title V, § 509(b), Oct. 17, 1979, 93 Stat. 695.)
Connections4 cite this · traces to 2
7 references not yet in our index
  • Pub. L. 91–173, title II, § 205
  • 83 Stat. 765
  • Pub. L. 96–88, title V, § 509(b)
  • 93 Stat. 695
  • section 509(b) of Pub. L. 96–88
  • Pub. L. 91–173
  • section 509 of Pub. L. 91–173
Citation graph
cites case law
§ 845
Dust standards in presence of quartz
Fed. Reg.×3
Stat. Comp.×1
Pub. L.Pub. L. 91–173, title II, § 205
Stat.83 Stat. 765
Pub. L.Pub. L. 96–88, title V, § 509(b)
Stat.93 Stat. 695
Pub. L.section 509(b) of Pub. L. 96–88
Cites 9 · showing 7Cited by 4 across 2 sources
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.