Action level means a concentration of airborne MDA of 5 ppb as an eight (8)-hour time-weighted average.
Assistant Secretary means the Assistant Secretary of Labor for Occupational Safety and Health, U.S. Department of Labor, or designee.
Authorized person means any person specifically authorized by the employer whose duties require the person to enter a regulated area, or any person entering such an area as a designated representative of employees for the purpose of exercising the right to observe monitoring and measuring procedures under paragraph (p) of this section, or any other person authorized by the Act or regulations issued under the Act.
Container means any barrel, bottle, can, cylinder, drum, reaction vessel, storage tank, commercial packaging or the like, but does not include piping systems.
Decontamination area means an area outside of but as near as practical to the regulated area, consisting of an equipment storage area, wash area, and clean change area, which is used for the decontamination of workers, materials, and equipment contaminated with MDA.
Dermal exposure to MDA occurs where employees are engaged in the handling, application or use of mixtures or materials containing MDA, with any of the following non-airborne forms of MDA:
Director means the Director of the National Institute for Occupational Safety and Health, U.S. Department of Health and Human Services, or designee.
Emergency means any occurrence such as, but not limited to, equipment failure, rupture of containers, or failure of control equipment which results in an unexpected and potentially hazardous release of MDA.
Employee exposure means exposure to MDA which would occur if the employee were not using respirators or protective work clothing and equipment.
Finished article containing MDA is defined as a manufactured item:
Historical monitoring data means monitoring data for construction jobs that meet the following conditions:
4,4 'Methylenedianiline or MDA means the chemical; 4,4'-diaminodiphenylmethane, Chemical Abstract Service Registry number 101-77-9, in the form of a vapor, liquid, or solid. The definition also includes the salts of MDA.
Regulated Areas means areas where airborne concentrations of MDA exceed or can reasonably be expected to exceed, the permissible exposure limits, or where "dermal exposure to MDA" can occur.
STEL means short term exposure limit as determined by any 15-minute sample period.
DANGER
MDA
MAY CAUSE CANCER
CAUSES DAMAGE TO THE LIVER
RESPIRATORY PROTECTION AND PROTECTIVE CLOTHING MAY BE REQUIRED IN THIS AREA
AUTHORIZED PERSONNEL ONLY
DANGER
MDA
MAY CAUSE CANCER
LIVER TOXIN
AUTHORIZED PERSONNEL ONLY
RESPIRATORS AND PROTECTIVE CLOTHING MAY BE REQUIRED TO BE WORN IN THIS AREA
DANGER
CONTAINS MDA
MAY CAUSE CANCER
CAUSES DAMAGE TO THE LIVER
DANGER
CONTAINS MDA
MAY CAUSE CANCER
LIVER TOXIN
DANGER
CONTAINS MDA
CONTAINS MATERIALS WHICH MAY CAUSE CANCER
LIVER TOXIN
Appendix A to § 1926.60 -Substance Data Sheet, for 4-4' Methylenedianiline
Note: The requirements applicable to construction work under this appendix A are identical to those set forth in appendix A to § 1910.1050 of this chapter.
Appendix B to § 1926.60 -Substance Technical Guidelines, MDA
Note: The requirements applicable to construction work under this appendix B are identical to those set forth in appendix B to § 1910.1050 of this chapter.
Appendix C to § 1926.60 -Medical Surveillance Guidelines for MDA
Note: The requirements applicable to construction work under this appendix C are identical to those set forth in appendix C to § 1910.1050 of this chapter.
Appendix D to § 1926.60 -Sampling and Analytical Methods for MDA Monitoring and Measurement Procedures
29 C.F.R. §1926.60
The requirements applicable to construction work under this appendix D are identical to those set forth in appendix D to § 1910.1050 of this chapter.