Lead

Q: When working with Lead, when is it required to post signage to warn employees of exposure?

A: 1926.62(m)(1)(i) The employer shall post the following warning signs in each work area where an employee's exposure to lead is above the PEL.

DANGER

LEAD WORK AREA

MAY DAMAGE FERTILITY OR THE UNBORN CHILD

CAUSES DAMAGE TO THE CENTRAL NERVOUS SYSTEM

DO NOT EAT, DRINK OR SMOKE IN THIS AREA

Carbon Monoxide Exposure

Q: What is the maximum amount of carbon monoxide exposure permitted by OSHA in a general industry environment?

A: According to 29 CFR 1910.1000 TABLE Z-1, the maximum limit for carbon monoxide exposure is 50 ppm (55 mg/m³) over an 8 hour TWA (time weighted average).