During the past two decades, many books, governmental reports and regu lations on safety measures against chemieals, fire, microbiological and radioactive hazards in laboratories have been published from various coun tries. These topics have also been briefly discussed in books on laboratory planning and management. The application ofvarious scientific instruments based on different ionizing and non-ionizing radiations have brought new safety problems to the laboratory workers of today, irrespective of their scientific disciplines, be they medicine, natural or life sciences. However, no...