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

29 CFR 1910.1053(c): The employer did not ensure that employee was not exposed to an airborne concentration of respirable crystalline silica in excess of 50 mcg/m3, calculated as an 8-hour TWA: a) Delaware River Basin Stone LLC, 1823 Airport Road, Deposit, New York, 13754. On or about 3/26/2024, the employer exposed employees in the general blue stone cutting area, Area A, to 72.3 micrograms per cubic meter (mcg/m3) of respirable crystalline silica, eight hour time weighted average (TWA), approximately 1.45 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 469 minutes. A zero increment is included for the 11 minutes not sampled. b) Delaware River Basin Stone LLC, 1823 Airport Road, Deposit, New York, 13754. On or about 3/26/2024, the employer exposed employees in the special blue stone cutting area, Area C, to 109.3 micrograms per cubic meter (mcg/m3) of respirable crystalline silica, eight hour time weighted average (TWA), approximately 2.19 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 477 minutes. A zero increment is included for the 3 minutes not sampled.