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TOXIC CHEMICALS CRADLE TO GRAVE MANAGEMENT Introduction Toxic Chemicals are substances naturally produced by the environment naturally or artificially produced by industrial manufactures The chemicals produced that have been around since the industrial age began are considered hazardous both to us and the environment Some of the most highly toxic chemicals used today include polychlorinated biphenylsPCBs chlorofluorocarbonsCFC and polyvinyl chloridePVCs These chemicals can be found in such products such as nuclear waste and automobile tires Toxic chemicals or pollutants are substances that enter the environment through industrial agricultural or other human-generated processes that pose health hazards to humans animals and plants This paper will look directly at chemicals which have been discovered to be hazardous or toxic that are produced in quantity and are difficult or extremely costly to remove once introduced to the environment Nuclear waste Nuclear waste is produced throughout the entire nuclear fuel cycle beginning with the mining of uranium to the reprocessing of irradiated nuclear fuel Nuclear waste will remain hazardous for thousands of years leaving a poisonous legacy for future generations As part of the normal routine operations of every nuclear power station some waste materials are discharged into the environments directly Liquid waste is discharged using turbine cooling water to carry the waste into a nearby stream or river Gaseous toxins are released into the atmosphere There are three categories of radioactive nuclear waste High level waste HLW Intermediate level Waste ILW and Low level waste LLW HLW consists mainly of irradiated fuel from the cores of nuclear reactors although the nuclear industry does not consider this to be a waste and high-levels of liquid waste are produced during reprocessing The deadly wastes produced from these producers are stored in large tanks and are mixed with a hot glass material for solidification purposes These glass logs also being classified as HLW While the glassification process may make it easier to transport and store
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