National Coal Workers' Autopsy Study (42 cfr 37.204)

OMB 0920-0021

OMB 0920-0021
All Historical Document Collections
Approved without change
Extension without change of a currently approved collection 2009-12-27
Approved without change
Extension without change of a currently approved collection 2006-11-16
Approved without change
Extension without change of a currently approved collection 2003-03-24
Approved without change
Extension without change of a currently approved collection 2000-02-01
Approved without change
No material or nonsubstantive change to a currently approved collection 1998-09-30
Approved without change
Extension without change of a currently approved collection 1996-08-07
Approved without change
Extension without change of a currently approved collection 1993-08-16
Approved without change
Revision of a currently approved collection 1990-05-30
Approved with change
No material or nonsubstantive change to a currently approved collection 1989-04-24
Approved without change
Revision of a currently approved collection 1987-08-28
Approved without change
Reinstatement with change of a previously approved collection 1984-11-06
Approved with change
No material or nonsubstantive change to a currently approved collection 1981-07-17
Approved without change
Extension without change of a currently approved collection 1979-12-07
Approved without change
Reinstatement with change of a previously approved collection 1975-03-06

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