760
PUBLIC LAW 91-173-DEC. 30, 1969
[83 STAT.
wise specifically provided b}- this Act, all records, information, reports, findings, notices, orders, or decisions required or issued pursuant to or under this Act may be published from time to time, may Records, avail- be releascd to any interested person, and shall be made available for ability.
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public inspection. TITLE II—INTERIM MANDATORY H E A L T H STANDARDS COVERAGE
Post, p. 791.
Ante, p. 745.
SEC. 201. (a) The provisions of sections 202 through 206 of this title g^jj^j Yie applicable provisions of section 318 of title III shall be interim mandatory health standards applicable to all underground coal mines until superseded in whole or in part by improved mandatory health standards promulgated by the Secretary under the provisioiis of section 101 of this Act, and shall be enforced in the same manner and to the same extent as any mandatory health standard promulgated under the provisions of section 101 of this Act. Any orders issued in the enforcement of the interim standards set forth in this title shall be subject to review as provided in title I of this Act. (b) Among other things, it is the purpose of this title to provide, to the greatest extent possible, that the working conditions in each underground coal mine are sufficiently free of respirable dust concentrations in the mine atmosphere to permit each miner the opportunity to work underground during the period of his entire adult working life without incurring any disability from pneumoconiosis or any other occupation-related disease during or at the end of such period. DUST STANDARD AND RESPIRATORY
Samples. Publication in
Federal Register,
EQUIPMENT
gj,^^ 202. (a) Each operator of a coal mine shall take accurate samples of the amount of respirable dust in the mine atmosphere to which each mlucr in the active workings of such mine is exposed. Such samples shall be taken by any device approved by the Secretary and the Secretary of Health, Education, and Welfare and in accordance with such methods, at such locations, at such intervals, and in such manner as the Secretaries shall prescribe in the Federal Register within sixty days from the date of enactment of this Act and from time to time thereafter. Such samples shall be transmitted to the Secretary in a manner established by him, and analyzed and recorded by him in a manner that will assure application of the provisions of section 104(i) of this Act when the applicable limit on the concentration of respirable dust required to be maintained under this section is exceeded. The results of such samples shall also be made available to the operator. Each operator shall report and certify to the Secretary at such intervals as the Secretary may require as to the conditions in the active workings of the coal mine, including, but not limited to, the average number of working hours worked during each shift, the quantity and velocity of air regularly reaching the working faces, the method of mining, the amount and pressure of the water, if any, reaching the working faces, and the number, location, and type of sprays, if any, used. (b) Except as otherwise provided in this subsection— (1) Effective on the operative date of this title, each operator shall continuously maintain the average concentration of respira-
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