Text For Citation: 01 Item/Group: 010A Hazard:

29 CFR 1910.1053(c): The employer did not ensure that employee were not exposed to an airborne concentration of respirable crystalline silica in excess of 50 mcg/m3, calculated as an 8-hour TWA: a) Shakeout Area, on or about 7/23/19: an employee working in the Shakeout Area was exposed to 148.63 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 2.97 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 435 minutes. A zero increment is included for the 45 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. b) Sprue Department, on or about 7/23/19: an employee working on the Sprue Table was exposed to 102.76 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 2.06 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 418 minutes. A zero increment is included for the 62 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. c) Hard Iron Department, on or about 7/24/19: an employee working as a Sorter was exposed to 99.23 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 1.98 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 441 minutes. A zero increment is included for the 39 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. d) Hard Iron Department, on or about 7/24/19: an employee working as a Sorter was exposed to 85.50 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 1.71 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 438 minutes. A zero increment is included for the 42 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. e) Annealing Department, on or about 7/24/19: an employee working as a Annealing Operator, pot packing was exposed to 185.02 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 3.7 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 448 minutes. A zero increment is included for the 32 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. f) Finishing Department, on or about 7/25/19: an employee working as a Shot Blast Operator was exposed to 92.21 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 1.84 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 448 minutes. A zero increment is included for the 32 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. g) Sprue Department, on or about 7/25/19: an employee working on the Spruer Table was exposed to 119.35 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 2.39 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 428 minutes. A zero increment is included for the 52 minutes not sampled. Employee was wearing a P100 3M filtering face piece respirator. h) Foundry Department, on or about 7/25/19: an employee working as a Tester/QC was exposed to 85.06 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 1.70 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 439 minutes. A zero increment is included for the 41 minutes not sampled. Employee was wearing a N95 3M filtering face piece respirator. i) E-Melt Department, on or about 8/3/19: A Melter relining Furnace No. 1 was exposed to 3357.7 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 67.15 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 71 minutes. A zero increment is included for the 409 minutes not sampled. Employee was wearing a N95 3M filtering face piece respirator. j) E-Melt Department, on or about 8/2/19: A Melter relining Furnace No. 1 was exposed to 599.74 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 12.0 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for minutes. A zero increment is included for the 175 minutes not sampled. Employee was wearing a N95 3M filtering face piece respirator. k) E-Melt Department, on or about 8/2/19: A Melter relining Furnace No. 1 was exposed to 483.42 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 9.67 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 305 minutes. A zero increment is included for the 175 minutes not sampled. Employee was wearing a N95 3M filtering face piece respirator. l) E-Melt Department, on or about 8/3/19: A Crane Operator relining Furnace No. 1 was exposed to 603.25 micrograms per cubic meter (mcg/m3) of silica, eight hour time weighted average (TWA), approximately 12.07 times the OSHA permissible exposure limit of 50 mcg/m3. The sampling period was for 127 minutes. A zero increment is included for the 353 minutes not sampled. Employee was wearing a N95 3M filtering face piece respirator.