Text For Citation: 01 Item/Group: 004B Hazard:

29 CFR 1910.1053(e)(1): . The employer did not establish a regulated area wherever an employee's exposure to airborne concentrations of respirable crystalline silica is, or can reasonably be expected to be, in excess of the PEL. a) Green Sand Molding West, on or about 2/11/21: A green sand molder was overexposed to respirable quartz (silica) at 61.8 micg/m^3 or 1.2 times the permissible exposure limit of 50 micg/m^3 for the 456 minutes sampling period. A zero increment was included for the 24 minutes not sampled. A regulated area including posting signage, demarcating the area and prohibiting access to unauthorized employees was not established. Abatement documentation must be submitted for this item.