Exam 22: Hazardous Chemicals: Pollution and Prevention

Many brownfield sites involve social issues centering around

Osmium tetroxide is widely used in electron microscopy because it is an excellent lipid fixative.However,osmium tetroxide can quickly cause irritation of the eyes and skin.Therefore,when handling osmium tetroxide,people should use a chemical hood and wear gloves to protect again osmium tetroxide's

Most persistent organic pollutants enter food webs at the level of

POPs such as dioxins and PCB's are transported into arctic ecosystems and food chains by

Most thermometers used by students in laboratories contain alcohol,which replaced

Which of the following is a good example of the use of "green chemistry"?

Because of the RCRA,disposal facilities for solid wastes on land must

The LUST fund would most likely be used to address the cleanup of

By design,the molecules that resist biodegradation and include some of the most problematic persistent organic pollutants are the

Suspicious citizens worry about the large amounts of toxic materials handled by the large pesticide manufacturer just outside the city limits.These citizens contact the mayor of the town with their concerns.The mayor says that according to the EPCRA guidelines,the official center for information about their concerns and the handling of any associated emergencies would be

After cleaning up a lawn mower,Jason piles up a bunch of gas and oil soaked rags in the corner of the garage.During the night,the rags undergo spontaneous combustion,setting fire to the garage before the fire could be extinguished.According to HAZMAT guidelines,these rags exhibited a dangerous level of

-The two natural organic compounds on the left (ethylene and ethane)have been chemically converted into

Which one of the following hazardous-waste disposal methods is safest with regard to ground/drinking water pollution and involvement in ecosystem food chains?

Some of the most toxic organic compounds,widely used in plastics,pesticides,and solvents,are the

The location of hazardous waste sites and hazardous facilities in the United States is most related to the

Two older factory workers were discussing all the government regulations that limit how they can dispose of their factory's wastes.One worker notes,"You know,we didn't use to have all these regulations.In fact,there were almost no regulations controlling what we could put in the air,water,or underground before the

At the Stockholm Convention of 2004,

Despite much evidence to the contrary,BPA manufacturers claim the chemical is perfectly safe and to ban it would do great damage to the food industry.To ban BPA would be in harmony with

Using its authority from a new rule issued under the Clean Air Act in 2011,the EPA

Today,one of the continuing threats to the consumption of large quantities of fish and shellfish from around the world is exposure to toxic levels of