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U.S. Code, Title 30, Mineral Lands and Mining
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General SummaryThe U.S. Code is a consolidation and codification by subject matter of the general and permanent laws of the United States. While every effort has been made to ensure that this reproduction of the Code is accurate, those using it for legal purposes should verify their results against the printed version of the Code available through the Government Printing Office.
§ 845. Dust Standards in Presence of Quartz
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.)
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.
Section Referred to in Other Sections
This section is referred to in section 841 of this title.
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Chicago:
"U.S. Congress, Office of the Law Revision Counsel", "§ 845. Dust Standards in Presence of Quartz," U.S. Code, Title 30, Mineral Lands and Mining in U.S. Code, Title 30, Mineral Lands and Mining (Washington, D.C.: Government Printing Office, 2002), Original Sources, accessed July 1, 2025, http://www.originalsources.com/Document.aspx?DocID=DKEYYVVWYIXAMCQ.
MLA:
"U.S. Congress, Office of the Law Revision Counsel". "§ 845. Dust Standards in Presence of Quartz." U.S. Code, Title 30, Mineral Lands and Mining, in U.S. Code, Title 30, Mineral Lands and Mining, Washington, D.C., Government Printing Office, 2002, Original Sources. 1 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=DKEYYVVWYIXAMCQ.
Harvard:
"U.S. Congress, Office of the Law Revision Counsel", '§ 845. Dust Standards in Presence of Quartz' in U.S. Code, Title 30, Mineral Lands and Mining. cited in 2002, U.S. Code, Title 30, Mineral Lands and Mining, Government Printing Office, Washington, D.C.. Original Sources, retrieved 1 July 2025, from http://www.originalsources.com/Document.aspx?DocID=DKEYYVVWYIXAMCQ.
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