background and objective : selenium is essential for biological systems at low concentrations and toxic at higher levels. heavy metals and metalloids such as selenium are major contaminants in 40% of hazardous waste sites. thus, bioremediation has been considered as an effective means of cleaning up of selenium-contaminated sites. materials and methods : in this study, 30 strains were isolated ...

OBJECTIVE To evaluate the risk of olfactory-related hazardous events in patients with impaired olfactory function. DESIGN Retrospective cohort study. SETTING A university-based clinic for smell and taste disorders. PATIENTS A total of 445 patients who underwent olfactory testing between 1983 and 2001. INTERVENTIONS Patient interview, olfactory testing. MAIN OUTCOME MEASURES (1) Freque...

States are often seen as policy laboratories where innovations are tried that may later be adopted by other states or the federal government. Engendering such experiments may, however, promote spillovers on other states. We analyze several of New York State's policy initiatives from the 1980s that were intended to influence the selection of waste management technologies by hazardous waste gener...

The Amirkabir petrochemical complex (APC) is located in the south of Iran, on the northern coastline of the Persian Gulf. It has five different units which generate various waste estimated at 3115.98 ton/year. The objective of this study was to focus on the management of the processing wastes for minimizing the adverse environmental impacts. In order to properly manage and control waste generat...

Since World War II, approximately 80,000 new commercial synthetic chemicals have been released into the environment, with approximately 1500 new chemicals released annually. Most of these have not been adequately tested for their impacts on human health or their particular impacts on children and the developing fetus. Yet, children are exposed to hazardous chemicals through residues in their fo...

The electronics industry is one of fastest growing manufacturing industries in India. However, the increase in the sales of electronic goods and their rapid obsolescence has resulted in the large-scale generation of electronic waste, popularly known as e-waste. E-waste has become a matter of concern due to the presence of toxic and hazardous substances present in electronic goods which, if not ...

Medical waste classified as hazardous and toxic (B3). cannot be compared to household waste, its needs specific treatment. According several newspapers, there is a lot of medical which handling mixed with waste. In Surabaya, the number wastes in 2019 reached 8 tons per day, this certain increase exponentially current Covid19 pandemic. It important manage well Covid19. To support management Covi...

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...

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) [42 U.S.C. 9601 et seq.], as amended by the Superfund Amendments and Reauthorization Act (SARA) [Pub. L. 99–499], requires that the Agency for Toxic Substances and Disease Registry (ATSDR) develop jointly with the U.S. Environmental Protection Agency (EPA), in order of priority, a list of hazardous substances mos...