background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...

in tehran megacity with 7705036 populations, 7000 tons solid waste a day has been generated in 2008. according to the municipality`s division, tehran is divided to 22 local zones. quality and quantity are the basis of planning for hazardous waste management system. in this context, selection a combination of techniques, technology and management program is imperative to achieve purposes of wast...

It is easy to get the impression that there is a distinct battle' going on between those who use the terms waste minimization2 and waste red ~ c f i o n . ~ This notion, however, would preclude the concept that there may be an evolutionary transition taking place that would bring industry from one level to the next. In the related fields of environmental management4 and quality control: argumen...

Large quantities of food processing, crop, forestry, and animal solid wastes are generated in the United States each year. The major components of these wastes are biodegradable. However, they also contain components such as nitrogen, human and animal pathogens, medicinals, feed additives, salts, and certain metals, that under uncontrolled conditions can be detrimental to aquatic, plant, animal...

An Intelligent Mobile Sensing System (IMSS) has been developed for the automated inspection of radioactive and hazardous waste storage containers in warehouse facilities at Department of Energy (DOE) sites. Hundreds of thousands of hazardous, radioactive, and mixed waste drums are being stored at DOE sites throughout the country and the anticipated decommissioning of facilities will generate ma...

RACHEL'S HAZARDOUS WASTE NEWS #364 ---November 19, 1993--News and resources for environmental justice. -----Environmental Research Foundation P.O. Box 5036, Annapolis, MD 21403 Fax (410) 263-8944; Internet: [email protected] ========== The Back issues and Index are available here. The official RACHEL archive is here. It's updated constantly. To subscribe, send E-mail to rachelweeklyrequest@world....