The Health Hazards Special Emphasis Program in North Carolina focuses on silica, hexavalent chromium, beryllium, isocyanates, and lead. Health Hazards Special Emphasis Program Learn more about the Health Hazards Special Emphasis Program in North Carolina. Compliance Documents OPN 135 - Special Emphasis Program for Exposures to Health Hazards Provides inspection guidance for hazards related to lead, isocyanates, hexavalent chromium, silica and beryllium. OSHA Technical Manual Provides technical information about workplace hazards and controls. Health Hazards Beryllium Provides resources and information for beryllium. Lead Provides resources and information for lead. Silica Provides resources and information for silica. Isocyanates Provides resources and information for isocyanates. Hexavalent Chromium Provides resources and information for hexavalent chromium.