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).
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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.
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.
Such dust can carry with it a variety of hitchhikers including bacteria, fungi, and chemical pollutants, all of which may adversely affect health.
Matthew Bramley, PVC is just one example of Ottawa's inability or unwillingness to regulate chemical pollutants whose compounds and by-products are linked to reproductive disorders.
Chemical pollutants include numerous volatile organic compounds that are emitted from consumer products, building materials, combustion gases, and mold/ mildew, with an estimated 10 million people in the United States developing chemical sensitivity and negative reactions to their presence.