Laboratory Safety Fundamentals

When diluting concentrated acids with water, wear appropriate PPE and slowly add ___ to ___ in order to help prevent a sudden release of heat or a violent reaction.

Acid to Water

Which of the following would be considered a "best practice" for emergency planning in a laboratory?

All of the above

Working alone with hazardous materials is never a good idea, for many reasons. Still, there are times when an experiment must run for overnight or longer. Which of the following precautions are important to include in planning such work?

All of the above

A fire extinguisher should only be used if you have been trained and ___.

All of the above.

What is the minimum level of certified eye protection required in any research laboratory?

Safety glasses

An important, common measure of how easily a chemical can evaporate and enter the atmosphere is ____.

Vapor pressure

In the event of a potential emergency, you should call 911 for help ___.

Within the first two minutes, either real or perceived.

In any effective research registration process, three important pieces of information need to be grouped together. Which set of words below best represents this relationship?

Work location, research summary, names

_____ is the lowest temperature at which a flammable liquid gives off enough vapor to form an ignitable mixture in air.

Flash point

Ensure at least ___ distance around fire sprinkler heads, safety showers, and eyewash units, and heating and cooling units to ensure proper operation.

18 inches

Emergency response experts recommend that you should be prepared to take care of yourself (and those that depend on you) in your home for approximately ___ hours after a major disaster.

72

Had washing is a physical process that is effective when plenty of soap and water is used. What is the minimum amount of time you should wash?

At least 20 seconds

For "Super Toxic" chemicals, the most protective way to prevent dermal exposure involves wearing more than one glove. Which of the following glove combinations- from inner glove to outer glove- affords the most protection against chemical breakthrough and permeation?

Disposable nitrile, Silver Shield, heavy-duty butyl

The most immediate and direct route of entry for any hazardous material into the body is through ___ exposure.

Inhalation

In addition to the (1) name of the chemical and (2) special warning, what else must be on the labels of all stock solutions you may prepare in the laboratory?

Name of person who made it and date made

Which of the following events or conditions are potential signs of a more serious problem with any piece of laboratory equipment?

Overheating/burning odors Strange sounds/not working quite right Damaged power cord/controls Any electrical shock or sensation when touched Tripping an electrical breaker

In the event of a fire in any laboratory, the single most important priority is the _____.

Protection of life

Developing and sustaining a safety culture in a teaching and research institution is an important part of improving laboratory safety. Which of the following could have a negative impact?

Safety is an insignificant part in the recruitment, promotion, and evolution of faculty, staff, and students.

Which of the following glove materials provides the widest range of permeation resistance to hazardous chemicals in the laboratory?

Silver Shield