Unit 10: Fume hoods, Eyewashes, and Safety Showers

When using a purge fan, how long should it take to clear the air?

• 5 minutes

• 3 minutes

• 7 minutes

• 10 minutes

When should you use a Fume Hood?

• When the TLV is above 50 ppm.

• Whenever I want to.

• When the TLV is below 50 ppm.

• When the TLV is below 25 ppm.

The air movement in a fume hood should be 100 linear feet of air per minute.

• False

• True

Tags

NGSS.HS-ETS1-3

Eye wash stations are required to...

• Treat both eyes simultaneously.

• Continuously wash for 20 minutes.

• Be a clean water source.

• All of the above.

According to ANSI Standards, how long should the walk time be to the emergency equipment in the lab?

• 30 seconds

• 5 seconds

• 10 seconds

• 1 minute

OSHA requires that there is ONLY one eyewash station and safety shower in the building.

• False

• True

Which of the following is true about fume hoods?

• Test fume hood equipment regularly

• Test air flow with a velometer.

• Test multiple locations across the face of the fume hood.

• All of the above.

Fume hoods are designed to ventilate the entire laboratory.

• True

• False

How to test lab ventilation?

• Open a window.

• Smoke generator.

• Hold your hand up to the vents.

• I do not need to test lab ventilation.