NSCI 351 Quiz 6

Researchers focus their interests on certain health responses. These specific physiological changes such as No Observable Effect Level (NOEL), are called_________.

ALL THE ABOVE

Each person who offers a hazardous material for transportation must provide a monitored 24-hour emergency response telephone number.

False

Subchapter D of RCRA regulates underground tank storage of toxic substances and petroleum products.

False

The goal of risk communication, is to relay risk information to various interested parties in easily understandable terms.

False

Which of the following statements is false regarding bias?

It can cause difficulties in interpreting epidemiological studies.

Discuss the three most common types of torts encountered in environmental law

Nuisance, trespass and negligence. 

Under RCRA definition of a waste that easily catches fire with a flash point of less than 140F is considered___________________?

Reactive

Which of the following statements is false regarding risk?

Risk can be eliminated from one's life.

What are the perceived basic principles in regulatory compliance.

Some perceived basic principles in regulatory compliance are  regulating product controls, regulating activities like mining or construction, and regulating safe transportation standards.

Discuss some of the tools of risk analysis.

Some tools of risks analysis are toxicology, epidemiology, and clinical trials. 

Differentiate among the types of doses used by researchers to study the toxic effect of chemicals.

Some types of doses are LD50, ED50 and Maximum Tolerated Dose (MTD). 

Define the various major classes of hazardous waste as described under RCRA.

Some major classes of hazardous waste are corrosivity which means materials that easily corrode or that are very acidic and that applies to human tissues as well. Another is ignitability which means something that can easily catch on fire. Reactivity meaning something that reacts to water, acid or is unstable and it is explosive. Toxicity which means when something causes damages locally or systematically and adversely effects an organisms health.

Hazard identification is the first step in the risk analysis process.

TRUE

The only funds for Superfund come from extracting money from PRPs.

True

The reporting requirements in SARA Title III require many businesses to file annual reports listing the estimated quantities of both routine and accidental releases of listed toxic chemicals.

True

Persons harmed by the careless and improper handling or disposal of hazardous wastes can file suit to recover damages for their losses even if ________.

there has been full compliance with all government regulations and permit conditions.

Exposure assessment is the final step in the risk analysis process ___.

true

Which of the following time spans most closely represents subchronic studies?

weeks to months

Bills are first introduced into both the house and the senate to a subcommittee for review and support. What percent of these bills fail to make it through this process?

90%

Acute exposure studies usually occur over which of the following time periods?

days to weeks