Hazardous Materials

Question 1

What is the term for a statistical estimate of an oral dose of a chemical that produces a lethal effect on half of an animal population?

Answer 1

LD50

Question 2

The dose-response relationship of a toxic substance depends on all of the following except

Answer 2

pH of the substance

Question 3

Which respiratory device provides the best protection?

Answer 3

Positive pressure respirator with a full-face piece

Question 4

The Emergency Planning and Community Right-to-Know-Act (SARA Title III) requires the disclosure of all of the following except type and quantities of

Answer 4

All chemicals routinely discharged into the atmosphere

Question 5

For first responders at an incident, which of the following is listed correctly according to order of importance?

Answer 5

Responder safety, public safety, environmental safety, property protection