Nice, quick accessible database with guidelines and technical information! "The NIOSH Pocket Guide to Chemical Hazards Mobile Web App (mNPG) works on any mobile device with an HTML5-compliant web browser. The app can be used offline when no internet or cell phone connection is available. Features: - 634 chemical entries and appendices. - Links to IDLH, as well as NIOSH and OSHA Methods (require a data connection). - search chemical by name and synonym, DOT number, CAS number, RTECS number. - “Type ahead” technology to quickly find chemicals. - “Preferences” menu to select information to display. - “Favorite” commonly used chemicals" external homepage, accessed 03/16/2018