among the environmental problems in nigeria is the lack of proper management of municipal solid wastes (msw), which is capable of releasing hazardous chemicals via leachate to the surrounding environment. in this study, the potential toxic effects of raw leachate obtained from aba-eku landfill (aerl) on clarias gariepinus; and the microorganisms that may be present in the leachate were investig...

background: chemical contaminants present in the work environments include gases, vapors, and solid and liquid suspended particles. the number of factories producing chemicals has increased significantly. each year, new products are introduced into the market. consequently, the number of employees at risk of exposure to these materials is increased. hazardous chemicals are used in the petrochem...

hospital wastes are one of most important environmental problems because of their hazardous, toxic and pathogenic characteristics. the aims of this study were to identify and measure the amount of hospital wastes and classify of them according to who criteria in amirolmomenin(as) hospital and shahid rajaei policlinic in ahwaz, sw of iran. this research was a field-descriptive study. initially, ...

Of the 12 billion tons of waste generated annually in the United States; less than 10% is defined as hazardous under the provisions of RCRA. This paper summarizes the data available on some of the wastes that are defined as non-hazardous. These wastes include industrial non-hazardous waste, and several types of wastes that are currently exempted from hazardous waste regulations, such as oil and...

Introduction There is no known biological function for lead and any lead absorbed by man or by animal may be classified as potentially toxic. These toxic effects are many, ranging from morphological damage to tissues at higher concentrations, to lesser biochemical effects at lower concentrations. In biochemical systems lead will generally inhibit enzyme activity and result in clinical effects s...

this study was conducted to identify emission characteristics of certain hazardous substancescontained in the plastic of used home electrical and electronic appliances keeping in view compliance with therestriction of hazardous substances (rohs) directive and to estimate the possibility of safe recyclingpractices. according to the results, the concentration of cadmium, lead, mercury and chromiu...

Overview Learning Objectives 9.1 Hazardous Waste: Identification and Classification 9.1.1 Identification 9.1.2 Classification 9.2 Hazardous Waste Management 9.2.1 Generation 9.2.2 Storage and collection 9.2.3 Transfer and transport 9.2.4 Processing 9.2.5 Disposal 9.3 Hazardous Waste Treatment 9.3.1 Physical and chemical treatment 9.3.2 Thermal treatment 9.3.3 Biological treatment 9.4 Pollution ...

BACKGROUND Alcohol use has a detrimental impact on the HIV epidemic, especially in sub-Saharan Africa. HIV counseling and testing (HCT) may provide a contact opportunity to intervene with hazardous alcohol use; however, little is known about how alcohol consumption changes following HCT. METHODS We utilized data from 2056 participants of a randomized controlled trial comparing two methods of ...

PURPOSES To test the effectiveness of motivational interviewing in a population of hazardous drinkers utilizing community health care centers in rural southeastern Idaho. DATA SOURCES This study targeted rural people at risk for alcohol dependence utilizing low-income community health care centers in rural southeastern Idaho. The Alcohol Use Disorders Identification Test (AUDIT) was used to s...

PURPOSE The implementation of a safety program for handling hazardous drugs in a community hospital is described. SUMMARY A committee of representatives of the departments of pharmacy, nursing, human resources, safety, radiology, performance improvement, employee health, and environmental services and members of the hospital administration was formed to formally address the management of haza...