California Codes (most used)
California Code of Regulations (full CCR)
California Legislation
California Dept. of State Architect
California Dept. of Motor Vehicle
California Dept. of Industrial Relations
California State Fire Marshal
Government Printing Office
The Library of Congress : Thomas
ADA Accessibility Guidelines
United States Code
Federal Occupational Safety and Health Administration
U.S. Environmental Protection Agency
U.S. Dept. of Transportation
U.S. Consumer Product Safety Commission
The National Institute for Occupational Safety and Health
Federal Emergency Management Agency
U.S. Dept. of Education
MSDS on the Internet