NIOSH - The National Institute for Occupational Safety & Health
NIOSH Pocket Guide to Chemical Hazards - The NIOSH Pocket Guide to Chemical Hazards (NPG) is intended as a source of general industrial hygiene information on several hundred chemicals/classes for workers, employers, and occupational health professionals.
School Chemistry Laboratory Safety Guide - A chemical hygiene plan (CHP) is a written program stating the policies, procedures, and responsibilities that serve to protect employees from the health hazards associated with the hazardous chemicals used in that particular workplace.
Chemical Safety - NIOSH Databases and Other Resources
Compressed Gases - These thirty self-inspection guidelines include regulation references. Check out the Compressed Gas Association's legally binding document, CGA P-1: Safe Handling of Compressed Gases.