Oultline 2 Essay Example | Topics and Well Written Essays - 1500 words

Oultline 2 - Essay Example transformers as coolants and lubricants, also used as hydraulic fluids, dyes and carbon-less copy paper ink. When PCBs are released into the atmosphere, they can be ingested through inhaling, eating contaminated food and also drinking contaminated water. This usually occurs because the substances (Polychlorinated biphenyls) stay suspended in the atmosphere and may take a lot time to be cleared off. A person can also be exposed to these chemicals through using or even being at close proximity to old equipments that makes use of PCBs e.g. transformers, fluorescent tubes capacitors and other appliances. Air containing above 42% of chlorine PCB or more than 1microgaram of air for a 10-hour workday, 40-hour workweek is not recommended to breath by NIOSH. Requirements by the EPA is that the companies producing this chemicals should store, transport and dispose of this chemicals following the rules and regulations of the Federal Hazardous Waste Management Program and also limits the amount PCBs used in waste water treatment. Chromium have different oxidation states, one of them is +6 and thus the name hexavalent chromium. It is manufactured industrially. Hexavalent chromium, Cr(VI) is are many side effects which include: causes cancer, it also affects the kidney, skin, liver, respiratory system and even eyes. It is estimated that about 558000 workers from different occupations in the United States of America are exposed to hexavalent chromium. Employees are expose to Cr(VI) by inhaling dust, mist or fumes containing this chemical, ingestion or even eye contact with fluids that have this chemical. Exposure to hexa chrome can be very harmful to the skin and the eyes. Direct contact with the skin can lead to susceptible response known as dermatitis. When an anaphylaxis has developed, even concise skin contact can bring about manifestations. Direct skin contact can also bring about an infection referred to as chrome ulcers which small wounds on the skin