This new standard describes fundamental good practices related to the commissioning, design, selection, installation, operation, maintenance, and testing of local exhaust ventilation (LEV) systems used for the control of employee exposure to airborne contaminants.

The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.

This document reviews available information about the adverse health effects and occupational health risks associated with exposure to ethylene glycol monobutyl either (EGBE) and ethylene glycol monobutyl ether acetate (EGBEA). Criteria are also provided for eliminating or minimizing the risks encountered by workers during the manufacture and use of EGBE and EGBEA. These criteria include recommendations for preventing dermal contact, sampling and analytical methods, medical monitoring, biological monitoring, engineering controls and work practices, and protective clothing and equipment.