83 STAT. ]
747
PUBLIC LAW 91-173-DEC. 30, 1969
(g) Promptly after any such notice is published in the Federal Register by the Secretary under subsection (f) of this section, the Secretary, in the case of mandatory safety standards, or the Secretary of Health, Education, and Welfare, in the case of mandatory health standards, shall issue notice of, and hold, a public hearing for the purpose of receiving relevant evidence. Within sixty days after completion of the hearings, the Secretary who held the hearing shall make findings of fact which shall be public. In the case of mandatory safety standards, the Secretary may promulgate such standards with such modifications as he deems appropriate. In the case of mandatory health standards, the Secretary of Health, Education, and Welfare may direct the Secretary to promulgate the mandatory health standards with such modifications as the Secretary of Health, Education, and Welfare deems appropriate and the Secretary shall thereupon promulgate the mandatory health standards. In the event the Secretary or the Secretary of Health, Education, and Welfare, as the case may be, determines that a proposed mandatory health or safety standard should not be promulgated or should be modified, he shall within a reasonable time publish his reasons for his determination. (h) Any mandatory health or safety standard promulgated under this section shall be effective upon publication in the Federal Register unless the Secretary or the Secretary of Health, Education, and Welfare, as appropriate, specifies a later date. (i) Proposed mandatory health and safety standards for surface coal mines shall be published by the Secretary, in accordance Vv-ith the provisions of this section, not later than twelve months after the date of enactment of this Act. Proposed mandatory health and safety standards for surface work areas of underground coal mines, in addition to those established for such areas under this Act, shall be published by the Secretary, in accordance with the provisions of this section, not later than twelve months after the date of enactment of this Act. (j) All interpretations, regulations, and instructions of the Secretary or the Director of the Bureau of Mines, in effect on the date of enactment of this Act and not inconsistent with any provision of this Act, shall be published in the Federal Register and shall continue in effect until modified or superseded in accordance with the provisions of this Act. (k) The Secretary shall send a copy of every proposed standard or regulation at the time of publication in the Federal Register to the of)erator of each coal mine and the representative of the miners at such mine and such copy shall be immediately posted on the bulletin board of the mine by the operator or his agent, but failure to receive such notice shall not relieve anyone of the obligation to comply with such standard or regulation.
Hearings.
Effective date.
P u b l i c a t i on in Federal Re g i s t e r.
Copies.
ADVISORY COMMITTEE S
SEC. 102. (a)(1) The Secretary shall appoint an advisory committee on coal mine safety research composed of— (A) the Director of the Office of Science and Technology, or his delegate, with the consent of the Director; (B) the Director of the National Bureau of Standards, Department of Commerce, or his delegate, with the consent of the Director:
Committee on c o a l mine safety r e s e a r c h, membership.
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