MAIN 14  Photos found for the Silica category.   Category Description Hazard Standard Corrective Action VIEW Silica This photo shows an employee dry-cutting masonry block with a saw. The saw operator was exposed to respirable dust containing 16 percent quartz (but not overexposed). This saw operator and the one shown in the remaining two photos were required by their employer to wear a respirator, but they had not been fit tested, and no medical evaluation had been done to determine their suitability to wear a respirator. Exposure to Silica. 1910.134(f) 1910.134(e) 1926.55(a) 1926.55(b) 1926.701(b) Abatement was obtained through the use of a wet cutting process which reduced the amount of respirable silica dust that was generated from cutting the masonry blocks. The protruding rebar needed to be rotated so that the protruding ends were in the ground, rather than protruding skyward. VIEW Silica Employees engaged in the cleanout of batch mixer Overexposure to silica during cleanout of batch mixer. Also confined space violations; no positive lockout of mixer. 1910.1000 and 1910.146 Employer established a respirator program initially, then installed automatic power washers for each mixer. Employer also developed a PRCS program and rewired the mixers for LO/TO. VIEW Silica No shut-off for abrasive blasting unit; no training on silica hazards; no respirator program. Inhalation and struck by 1910.244(b); 1200(h); and 134 Employer ordered shut-off switch; trained employee with OSHA provided info and established a respirator program. VIEW Silica Overexposure to silica during cleanout of batch mixer. Also confined space violations; no positive lockout of mixer inhalation 1910.1000 and 1910.146 Employer established a respirator program initially, then installed automatic power washers for each mixer. Employer also developed a PRCS program and rewired the mixers for LO/TO. VIEW Silica Employee overexposed to silica during foundry work. inhalation 1910.1000 and 1910.134 Employer established a respirator program and trained employees on silica.   NEXT Showing records 1 - 5 of 14.