Hazcom 2012 - OSHA's Red-lined Hazard Communication Standard.
OSHA & GHS - Presentation to the AIHA-Deep South Section.
OSHA & GHS - Presentation to the Mulch and Soil Council in San Antonio.
GHSv6 - The full GHS text from the United Nations website.
NTP - 14th Report on Carcinogens (RoC)
IARC - Monographs on the Evaluation of Carcinogenic Risks to Humans
ECHA - C&L Inventory Database
eChemPortal - Global Portal to Information on Chemical Substances
Japan CHRIP - Resource for Classification data.