BACK TO CATEGORIES Photo ID: 1137 (Click photo to view original size.) Category: Silica Hazard: Inhalation and struck by Standard Violated: 1910.244(b); 1200(h); and 134 Corrective Action: Employer ordered shut-off switch; trained employee with OSHA provided info and established a respirator program. Description: No shut-off for abrasive blasting unit; no training on silica hazards; no respirator program.