Safety Info Posts

OSHA answers questions regarding Escape-ONLY respirators (2019 LOI)

Background: The employer has truck drivers that drive in and out of oil/gas refineries. Drivers are provided with a North 7900 series air-purifying disposable mouthpiece type respirator for use as an escape-only respirator. The owner’s manual to the North 7900 Series disposable mouthpiece type escape respirator warns employers to be aware of any physical limitations or

EPA’s RMP – Quantity of a substance in a mixture or solution toxics with listed concentration (Conc >20% Aqua Ammonia)

In EPA’s RMP standard there are four (4) TOXIC substances which have listed concentrations: Hydrochloric acid 37% or greater Hydrofluoric acid 50% or greater Nitric acid 80% or greater Ammonia 20% or greater If we have any of these four (4) substances in solution AND their concentration is LESS THAN (<) the listed concentration, we

Scroll to Top