
From the U.S. Code Online via GPO Access
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[Laws in effect as of January 2, 2001]
[Document not affected by Public Laws enacted between
  January 2, 2001 and January 28, 2002]
[CITE: 30USC845]

 
                   TITLE 30--MINERAL LANDS AND MINING
 
                   CHAPTER 22--MINE SAFETY AND HEALTH
 
            SUBCHAPTER II--INTERIM MANDATORY HEALTH STANDARDS
 
Sec. 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, Sec. 205, Dec. 30, 1969, 83 Stat. 765; Pub. 
L. 96-88, title V, Sec. 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.
