The U.S. Air Force is developing a model to assist commanders in determining when it is safe to launch rocket vehicles. The model estimates the possible number

Hazardous waste in the environment is one of the most difficult challenges facing our society. The purpose of this book is to provide a background of the many a

The NIOSH Pocket Guide to Chemical Hazards presents information taken from the NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards, from National Ins