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):
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.
The European Food Safety Authority (EFSA) has publicly released statistics of information on chemical pollutants and food consumption, which are used in its risk evaluations.
The agricultural quarantine directorate and the Health Ministry's food control department surveyed the local market and ensured agricultural products are free of any insect infestation, chemical pollutants or pathogens.
The Agricultural Quarantine Directorate and the Health Ministry Food Control Department surveyed all local markets and ensured agricultural products are free of any insect infestation, chemical pollutants or bacterial pathogens.
TEHRAN (FNA)- Iranian researchers at Shaheed Beheshti University designed Nano-absorbent separating chemical pollutants by high percentage.
Chemical pollutants, stress, alcohol and smoking, among other factors, can ramp up the number of free radical molecules even further.
These particles also absorb chemical pollutants like PCBs, DDT and other toxins which enter the marine food webs.
The 2011 report, "Plastic Debris in the California Marine Ecosystem," by the California Ocean Science Trust, California Ocean Protection Council and Sea Grant found that plastic debris in the ocean not only leaches some chemical pollutants that were added during manufacture but also absorbs and accumulates others.