chemical pollutant

chemical pollutant

A chemical substance that enters the environment through industrial, agricultural or other human activities, which poses an immediate or potential hazard to plant, animal or human life; the major chemical pollutants are heavy metals (e.g., mercury and lead), aromatic hydrocarbons (e.g., benzene and other petrochemicals), organic solvents (e.g., toluene and xylene), organohalides (e.g., polychlorinated biphenyls -PCBs and polybrominated biphenyls-PBBs), dioxins and others (e.g., nitrogen dioxide and sulfur dioxides).
References in periodicals archive ?
BRITISH porpoises may be struggling to breed because of a banned chemical pollutant, research suggests.
According to Sabbagh, test results will help the ministry determine whether the substance is a chemical pollutant or blood from a nearby slaughterhouse.
The concentration variation of the chemical pollutant (CO [ppm]) specific to the areas near the road' infrastructure for the two analyzed time intervals is presented in the next graphic (for one intersection):
How might a chemical pollutant affect coral shells?
Since bee population dynamics are affected by a large number of variables--including temperature, food resources, disease and predators--these other variables must first be accounted for before the effect of a chemical pollutant on bee population can be determined.
In evaluating the potential impact of exposure to chemical pollutant mixtures, this study concluded that combined exposures may pose risks for the respiratory, neurologic, and reproductive systems and a risk for adverse developmental effects.
His topics include the principle of uncertainty in high complexity systems, simulation models, the knowledge base for modeling and simulation, mathematical- heuristic modeling, system stability, risk analysis and assessment, simulation and control of systems, applications to industrial, power macroeconomics systems as well as to aquatic, terrestrial, and chemical pollutant systems.
THE EUROPEAN Environment Agency (EEA) has reported that a paint industry chemical pollutant has been discovered in Arctic plants and animals, reaching the Arctic via air and water flows.
Acting as centre for assessment and certification of alternative methods for the microbiological monitoring for DWD and BWD, it contributes to the standardisation of best practices and innovative methods for chemical pollutant bioassay and monitoring effects of chemical mixtures.
Ozone is a "green" technology scientifically proven to DESTROY all biological and chemical pollutants, including Dust Mites, Pollen, Molds, and other allergens that build-up in the indoor environment over the years.
Some, like this turtle in the Mediterranean Sea, get trapped in plastic netting; others ingest pieces of plastic or even microscopic particles--called microplastics--that form when chemical pollutants react with salt water and sunlight.
What is most disconcerting is that many of the harmful effects of chemical pollutants are not fully known; these include the hormonal disruptors and neurological impacts related to human development as well as the effects on biodiversity and ecosystem level processes.