Excessive nitrates in drinking water pose a human health threat, especially to infants. Methemoglobinemia, or blue-baby syndrome, is a potentially fatal condition that inhibits the ability of red blood cells to bind and transport oxygen. Nitrates/nitrites have also been linked to such conditions as cancer, birth defects, and behavioral and...
The move from hazardous waste management to pollution
prevention is viewed as a paradigm shift in American
industry. Pollution prevention involves source reduction to
reduce the amount of hazardous waste that is generated, and
recycling of those wastes that cannot be prevented within
the production process. The first piece of...
Electric arc welding is the most prevalent welding type in industry. It creates two main groups of health hazards for workers; fumes and gases, and radiant energy. Shielded Metal Arc (SMA) welding is the most widely used welding method in industrial plant welding shops. The main chemical health hazards associated...
Pollution prevention is promoted by the Environmental Protection Agency (EPA) and other governmental agencies as a method of reducing the generation of wastes and pollutants. Pollution prevention is also called source reduction because it reduces wastes early in the production process. Source reduction has been used by some industries to...
The United States Congress is currently debating a bill to reauthorize the 1980 Superfund Hazardous Waste Cleanup Law. If this bill is not reauthorized by the end of 1995, the program will either continue in its present form or be eliminated altogether.' As currently administered, the Superfund program sets out...
Unknown questions remain concerning the health of migrant farm workers,
seasonal farm workers, and other rural poor people. The objectives of this study were to
determine the demographic profile of a sample from a Community and Migrant Health
Center; to determine the prevalence of disease in migrant farm workers, seasonal...
Physical geography and topography combined with increasing number of motor
vehicles have lead to record breaking air pollution levels in Tehran, the capital city of
Iran. The objectives of this study were: 1) to document trends in Tehran, Iran's
ambient air quality levels between 1988 and 1993; 2) to compare...
Reducing the number of intoxicated motorists and increasing seatbelt use are two
strategies that have effectively reduced morbidity and mortality. The National Highway
Traffic Safety Administration (NHTSA), however, suggests that reductions in alcohol-related
fatalities and injuries are the result of implementing strategies associated with
enforcement and judicial processing of driving...