Title 30 — Mineral Lands and Mining
Chapter 22 — Mine Safety and Health
§ 845. Dust standards in presence of quartz
Statutory text
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.
Legislative history
Reconstructed from this section’s Code source credit and amendment notes, resolved against the local Statutes at Large. Editorial notes are evidence, not the law that made the change.
Federal Coal Mine Health and Safety Act of 1969
Pub. L. 91–173 title II § 205 · 83 Stat. 742
Enacted · 30 U.S.C. § 845
Pub. L. 91–173, title II, § 205, Dec. 30, 1969, 83 Stat. 765
Source evidence
Code source credit
Pub. L. 91–173, title II, § 205, Dec. 30, 1969, 83 Stat. 765Enacted provision · exact public law section
Sec. 205. dust standard when quartz is present 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, Education, and Welfare shall prescribe an appropriate formula for determining the applicable respirable dust standard under this title for such working place and the Secretary shall apply such formula in carrying out his duties under this title.
1 of 1 references resolved to an enrolled provision
Statutory Notes and Related Subsidiaries
Change of Name
“Secretary of Health and Human Services” substituted in text for “Secretary of Health, Education, and Welfare” pursuant to section 509(b) of Pub. L. 96–88 which is classified to section 3508(b) of Title 20, Education.
Effective Date
Section operative six months after , except to the extent an earlier date is specifically provided for in Pub. L. 91–173, see section 509 of Pub. L. 91–173, set out as a note under section 801 of this title.
Credits
1969–1979 · 2 acts
- 1969Pub. L. 91–173, title II, § 205, , 83 Stat. 765
- 1979Pub. L. 96–88, title V, § 509(b), , 93 Stat. 695.
Show as published
(Pub. L. 91–173, title II, § 205, , 83 Stat. 765; Pub. L. 96–88, title V, § 509(b), , 93 Stat. 695.)