Text For Citation: 01 Item/Group: 005B Hazard:

29 CFR 1910.1000(c): An employee's exposure to any substance listed in Tables Z-1, Z-2, or Z-3 of this section shall be limited in accordance with the requirements of the following paragraphs of this section. An employee's exposure to any substance listed in Table Z-3, in any 8-hour work shift of a 40-hour work week, shall not exceed the 8-hour time weighted average limit given for that substance in the table. On March 14, 2017, employees working in the Refractory Ladle Repair area, the Tube Assembly Area, and the Sand Plant sand mixing area were exposed to respirable crystalline silica in excess of the 8-hour time weighted average limit (TWA) for the permissible exposure limit provided in Table Z-3: c. A Tube Builder employee performing tube assembly duties was exposed to an 8-hour TWA for respirable crystalline quartz silica of 3.1 milligrams per cubic meter air during a 459 minute sampling period. This exposure level was 1.75 times the calculated permissible exposure limit of 1.76 milligrams per cubic meter air. Zero exposure was assumed for the 21 minutes that were not sampled. d. A Sand Plant employee performing sand mixing duties was exposed to an 8-hour TWA for respirable crystalline quartz silica of 1.3 milligrams per cubic meter air during a 431 minute sampling period. This exposure level was 1.52 times the calculated permissible exposure limit of 0.884 milligrams per cubic meter air. Zero exposure was assumed for the 49 minutes that were not sampled. Amsted Rail, Inc. was previously cited for a violation of this occupational safety and health standard or its equivalent standard 29 CFR 1910.1000(c) which was contained in OSHA inspection number 793422, citation number 1, item number 3a and was affirmed as a final order on March 21, 2013 with respect to a workplace located at 3900 Bixby Rd, Groveport, OH 43125.