backgrounds and objectives:today, one of the most important environmental issues is solid waste produced in dentistry that because of the presence of hazardous, toxic and pathogen agents has special importance. in this survey, solid waste produced in hamadan dentistry laboratories and practical dentist offices is studied.materials and methods: in this descriptive study, from 24 dentistry labora...

Very quickly following the first international toxic waste trade scandals that took place in the late 1980s and early 1990s, the environmentally friendly word “ recycling” began to increasingly be used by waste traders to justify the export of hazardous wastes from rich to poorer countries. Today, this rationalization for toxic waste trade for industrial wastes continues. Virtually all existing...

Medical establishments play important roles in different activities by using of modern technology to serve the humans and the environment through different departments in the establishment and its firms. Medical wastes are considered as a hazardous waste because they contain toxic materials, infectious, or non-infectious wastes and they are considered as a hazard to millions of patients, health...

T management of toxic waste has become an increasingly global business. The worldwide generation of hazardous waste is currently around 440 million tons, of which an estimated 10 percent makes its way across international boundaries.1 A variety of industries generate toxic wastes, ranging from chemicals to electronics and from plastics to metal plating. These toxic wastes have adverse affects o...

In 1981 over one billion dollars will be spent sustaining the lives of patients with end-stage renal disease by hemodialysis and renal transplantation, but less than 0.02% of this amount will be invested in studies of nephrotoxicity (1). Any knowledge of the effect of industrial waste on human kidney disease gained from this miniscule effort will probably be serendipitous. Our monumental ignora...

Fast urbanization and serpentine uses of electronic gadgets during the last two decades has led to genesis of a whopper character of electronic wastes resulting in soil, water and environmental pollutions. Thus pollution administer along with environmental safety has become the greatest worry of environmental scientists and activists worldwide. Dumping of electronic wastes, lone of the by-produ...

A brief overview is given of the sources, characteristics, and toxic constituents of municipal solid wastes. Several methods are presented for handling, treating, and disposal of solid wastes. Monitoring the landfill site is necessary; there has been a trend to recognize that municipal solid wastes may be hazardous and to provide separate secure handling, treatment, and disposal for their dange...