Oct 23

Question 1

how many incidents of exposure annually result in lost workdays

Answer 1

20,000

Question 2

health effects of chemicals depend on:

Answer 2

• physical form of chemical
• how it enters body
• dose
• how toxic it is

Question 3

solids: fumes and fibers

Answer 3

• fumes are extremely small droplets of metal formed when metal has been vaporized by high temps
• fibers are similar to dusts but have elongated shapes

Question 4

liquids: mists

Answer 4

• are droplets of liquid in air
• usually inhaled
• can settle on skin and be absorbed
• may also be ingested