PCB exposure is bad news for the female sex drive
...pesticides, lubricants and plastics. Their use was banned in manycountries after it became clear that some PCBs mimic hormones. But there isstrong evidence that PCBs are still widespread in the environment. The foodcrisis that struck Belgium in June was partly caused by PCB contamination ofpoultry and dairy...Chemical Contaminants May Inhibit Cancer-Fighting White Blood Cells
...ocks, and boat hull paints. Though TBTs have been banned onsmall boats for about a decade, they are still commonly used on large ships. TBTshave been detected in seafood, such as fish and oysters, collected from coastalareas. Various groups have done studies suggesting that tributyltin levels havedecreas......-- Thurs., Sept., 24, session 7b Although DDT was banned in the U.S. in the 1970s, results of a 1994-1995 studysuggest DDT may still be adversely affecting reproduction of the double-crestedcormorant. The study examined the effects of organochlorines, including DDE (adegradation product of DDT) and PCBs (p...New Study Highlights Hazards On Hormone Disrupting Chemicals
...btle effects not yet identified. PCBs and DDT are banned in Sweden but are still present in the environment. Thereport calls forthe study of substances which are still being spread to have priority, forinstance, brominated flameretardants. " Endocrine disrupting substances", report 4859...Scientists At UNC-CH Find Aberdeen Pesticide Exposure, But Few Symptoms
...es to break down the pesticide DDT, which has been banned since1972 for use in the United States. "The good news is that we are not seeing major clinical effects from theexposures, based on the health indicators we investigated," said Dr. MarilynVine, assistant professor of epidemiology at the UNC-C...Chocolate Treats Can Land Racehorse Trainers In Trouble
...nts caffeine and theobromine-- substances that are banned for horses that compete in races. “We would ...icine at Ohio State. Caffeine and theobromine are banned for racehorses because they havebeen thought to give horses a competitive edge in races. Trainers wh...Water Quality In Georgia-Florida Coastal Plain Affected By Agricultural And Urban Activities
...edances were for chlordane and DDT which have been banned in the U.S. for many years. Lead, chromium, zinc, and mercury in streambed sediments were found at levels that could adversely affect aquatic organisms in a number of samples. A new 34-page color report summarizes the results of the study, which ...USGS Says Central Columbia Plateau Water Quality Impaired by Agriculture, But Some Good News
...eir breakdown products. A breakdown product of the banned insecticide DDT was found in both streambed sediment and bottom fish at concentrations exceeding guidelines for the protection of aquatic life. "Another problem for fish habitat is excessive plant growth caused by high levels of nutrients in streams...Agriculture and urban activities impact water quality in the South Platte River Basin
...Bs found in bed sediment and fish tissue have been banned from use since the 1970's, they have persisted in the environment for decades, which is important when considering that fish are a part of the natural food chain. The highest number and the highest concentrations of compounds were detected in the urb...From The Home Front To The River Front, USGS Updates Water-Quality Information
...sues. The use of PCBs, DDT, and chlordane has been banned or restricted for nearly 20 years, but these contaminants are still being detected in rivers and streams. The USGS cautioned that the fish were collected and analyzed to determine if contaminants were present, not to determine if the fish were safe ...Reduced Nutrients Still Cause Problems In The Neuse And Tar-Pamlico Rivers
... DDT, a pesticide used during the 1940's-60's, was banned in 1972, DDT and its breakdown products can still be found in stream-bottom sediment, clams, and fish tissue. Copies of USGS Circular 1157, "Water quality in the Albemarle-Pamlico Drainage Basin, North Carolina and Virginia, 1992-95," by Timothy B....Water Quality In Indiana's White River Basin Affected By Urban And Agricultural Activities
... basin." Several chemicals whose use has long been banned (chlordane, dieldrin, and PCB's) persist in streambed sediments and are concentrated in organisms such as freshwater clams. Fish communities have significantly improved since the early 1970's, although degraded communities of fish still are found in...Purdue Research Helps Keep Phosphorus Out Of Surface Water
...agronomist Brad Joern. Phosphorus already has been banned from detergents and laundry soaps. But enough phosphorus was still making its way into streams last fall to warrant federal attention. An Oct. 18, 1997, message from Vice President Al Gore directed the Environmental Protection Agency to "identify the...Banning Chemicals To Protect Ozone May Aggravate Global Warming
...tually the intention of therulings is that they be banned entirely." One such chemical, HCFC-123, is a high-performance refrigerant commonlyused in the cooling systems of large buildings. Some of the intended replacementsfor HCFC-123 not only have much longer atmospheric lifetimes that couldcontribute to ...No Link Seen Between Breast Cancer And Pesticides, PCB Exposure For General Population
...idely in the U.S. until the 1970s, when they were banned from commercial production due to concerns about potential harmful health effects. Since these compounds are stored in body fat and are not easily broken down, they accumulate in the body over time. Some of these chemicals have been shown to in...