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Assess risk of pathogens in drinking water

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Reference no: EM133416316

Questions

1. Fecal indicator bacteria are used to assess the risk of pathogens in drinking water. Their use is beneficial for all the following reasons EXCEPT:

a. Routine pathogen monitoring is challenging and costly

b. It is critical that we identify every pathogen in our drinking water

c. Most analytical tools are pathogen-specific

d. Feces is a significant source of pathogens

2. Which of the following is NOT a part or requirement of the Safe Drinking Water Act?

a. U.S. Environmental Protection Agency authorized to establish minimum standards to protect tap water

b. U.S. Environmental Protection Agency authorized to require all owners or operators of public water systems to comply with minimum drinking water standards

c. U.S. Environmental Protection Agency authorized to require all owners of private residential wells serving a single household to routinely test their drinking water for microbial contamination

d. Defines a public water system as one that serves piped water to at least 25 persons or 15 service connections for at least 60 days each year.

3. According to the Environmental Protection Agency, the most preferred method of municipal solid waste management is __________, while the least preferred method is __________.

a. Treatment and disposal, composting

b. Source reduction, treatment and disposal

c. Energy recovery, leachate

d. Composting, source reduction

4. Two methods to reduce the risk of water moving through a landfill collecting contaminants and transporting them to the groundwater.

a. Monitoring wells; methane collection

b. Bottom liner; leachate collection

c. Source reduction; incineration

d. Site selection; soil cover

5. The __________ was passed to better manage our solid and hazardous wastes to minimize environmental contamination and have oversight of hazardous wastes from "cradle to grave", while the __________ was passed in part to aid in remediation of existing hazardous waste sites.

a. Clean Air Act; Superfund Law

b. Comprehensive Environmental Response, Compensation, and Liability Act; Toxic Substances Control Act

c. Resource Conservation and Recovery Act; Comprehensive Environmental Response, Compensation, and Liability Act

d. National Environmental Policy, Superfund Law.

Reference no: EM133416316

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