HR 5522 RFS
regards to engineering controls, the interim final 
standard shall take effect 30 days after issuance. 
The interim final standard shall have the legal effect 
of an occupational safety and health standard, and 
shall apply until a final standard becomes effective 
under section 6 of the Occupational Safety and 
Health Act (29 U.S.C. 655). 
(b) FINAL STANDARD.— 
(1) RULEMAKING.—Not later than 18 months 
after the date of enactment of this Act, the Sec-
retary of Labor shall, pursuant to section 6 of the 
Occupational Safety and Health Act (29 U.S.C. 
655), promulgate a final standard regulating com-
bustible dust explosions. 
(2) REQUIREMENTS.—The final standard re-
quired under this subsection shall include the fol-
lowing: 
(A) The scope described in subsection 
(a)(1). 
(B) The worker protection provisions in 
subsection (a)(2). 
(C) Requirements for managing change of 
dust producing materials, technology, equip-
ment, staffing, and procedures. 
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(D) Requirements for building design such 
as explosion venting, ducting, and sprinklers. 
(E) Requirements for explosion protection, 
including separation and segregation of the haz-
ard. 
(F) Relevant and appropriate provisions of 
National Fire Protection Association combus-
tible dust standards. 
(3) PROCEDURE.—The final standard required 
by this subsection shall be promulgated in accord-
ance with the procedural requirements for rule-
making under section 6(b) of the Occupational Safe-
ty and Health Act of 1970 (29 U.S.C. 655(b)) and 
under title 5, United States Code, including the re-
quirements relating to small businesses in chapter 6 
of such title. 
SEC. 4. REVISION OF THE HAZARD COMMUNICATION 
STANDARD. 
(a) REVISION
REQUIRED.—Notwithstanding any 
other provision of law, not later than 6 months after the 
date of enactment of this Act, the Secretary of Labor shall 
revise the hazard communication standard in section 
1910.1200 of title 29, Code of Federal Regulations, by 
amending the definition of ‘‘physical hazard’’ in subsection 
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(c) of such section to include ‘‘a combustible dust’’ as an 
additional example of such a hazard. 
(b) EFFECT OF MODIFICATIONS.—The modification 
under this section shall be in force until superseded in 
whole or in part by regulations promulgated by the Sec-
retary of Labor under section 6(b) of the Occupational 
Safety and Health Act of 1970 (29 U.S.C. 655(b)) and 
shall be enforced in the same manner and to the same 
extent as any rule or regulation promulgated under section 
6(b). 
(c) EFFECTIVE DATE.—The modification to the haz-
ard communication standard required shall take effect 
within 30 days after the publication of the revised rule. 
Passed the House of Representatives April 30, 2008. 
Attest: 
LORRAINE C. MILLER, 
Clerk. 
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