Federal Standards CFR 1910.120: Hazardous waste operations and emergency responseCFR 1910.134: Respiratory Protection National Institute of Environmental Health Sciences (NIEHS) NIEHS home pageWorker Training ProgramMidwest Consortium for Hazardous Waste Worker Training NIEHS NATIONAL CLEARING HOUSE RESOURCES Curricula Catalog Booklet Order Form TOPICS COVID-19 Opioids & Substance Use Responder & Community Resilience Other Government Agencies Agency for Toxic Substances and Disease Registry (ATSDR)Centers for Disease Control and Prevention (CDC)Federal Emergency Management Agency (FEMA)National Institute for Occupational Safety and Health (NIOSH)Occupational Safety and Health Administration (OSHA)U.S. Chemical Safety and Hazard Investigation Board (CSB)U.S. Department of Energy (DOE)U.S. Department of Labor (DOL)U.S. Department of Transportation (DOT)U.S. Environmental Protection Agency (EPA) Professional Organizations Alliance of Hazardous Materials Professionals (AHMP) American Conference of Governmental Industrial Hygienists (ACGIH)American Industrial Hygiene Association (AIHA)American Public Health Association (APHA)American Society of Safety Professionals (ASSP)National Environmental Health Association (NEHA)National Fire Protection Association (NFPA)National Safety Council (NSC) Resources DOT Emergency Response Guidebook (ERG)EPA CAMEO Chemicals SoftwareNIOSH Pocket Guide (NPG) to Chemical Hazards