Tag: PEL
Are Your MSDSs All Filled Out?
Each MSDS must contain certain information for each substance. Here’s what they’ve got to have. Chemical identity and composition The MSDS must describe the substance’s composition and, if a single substance, its chemical and common name(s). Mixtures It must describe the chemical and common name(s) of the ingredients that contribute to the known hazards and […]
Training Workers on Asbestos Protection
Asbestos training should match employees’ jobs. For companies in general industry, OSHA‘s detailed training requirements related to asbestos exposure (29 CFR 1910.1001(j)(7)) were designed primarily for those that use asbestos in the manufacturing process. But there is an entirely different category of workers–those in custodial or housekeeping-type jobs–who also must receive “asbestos awareness” training even […]
How to Comply with PEL Requirements
Yesterday, we explained how to calculate PELs. Today, we talk about how to comply with them. To achieve compliance with PELs, OSHA says a facility must determine and then implement administrative or engineering controls whenever feasible. Engineering controls involve the use of: Exhaust and general ventilation Enclosure of the source of emissions Process and equipment […]
How to Calculate PELs for Air Contaminants
To protect workers from harmful exposures to air contaminants, you have to be able to calculate exposure limits accurately. Here is a review of the formulas used to calculate PELs. OSHA has developed 470 PELs (permissible exposure limits) for various forms of approximately 300 chemical substances. The PELs provide numeric standards that determine how long […]