lab safety

Question 1

What does the diamond on a chemical container tell you?

Answer 1

It gives a quick overview of things to consider when storing or handling the chemicals

Question 2

What sections does the diamond have? What are their respective colors?

Answer 2

Flammability (red)
Health (blue)
Reactvity (yellow)
Special (white)

Question 3

What does the “Health” rating indicate on the diamond? What does a 4 mean? What does a 1 mean?

Answer 3

the degree of harm that exposure to the substance would cause a person, which in turn dictates the level of protective gear necessary.
A 4 means that a lot of specialized equipment is needed
A 1 means that not a lot of equipment is needed

Question 4

What does the “Flammability” rating indicate on the diamond?

Answer 4

the likelihood that the substance will vaporize, ignite, or burn

Question 5

What does the “Reactivity” rating indicate on the diamond?

Answer 5

the likelihood that the substance will release energy in a chemical reaction or explosion

Question 6

What does the “Special Warning” secton do?

Answer 6

Provide extra safety info and warnings.

Question 7

What does a W crossed out mean as a “Special Warning”

Answer 7

the substance reacts with water - should be kept away from water

Question 8

What does OXY mean as a “Special Warning”

Answer 8

is an oxidizer
(a substance that has the ability to oxidize other substances — in other words to accept their electrons. Common oxidizing agents are oxygen, hydrogen peroxide and the halogens)

Question 9

What does ALK mean as a special warning?

Answer 9

The substance is an alkali (a basic, ionic salt of an alkali metal or an alkaline earth metal.)

Question 10

What does COR mean as a special warning?

Answer 10

The substance is corrosive (destroy/damage/erode something slowly and chemically)

Question 11

What does RAD mean as a special warning?

Answer 11

The substance is a radiation hazard (a risk to health resulting from the presence of ionizing radiation)

Question 12

What is an SDS?

Answer 12

A safety data sheet for a substance, which give people info about the proper way to handle or work with a certain substance.

Question 13

Do all SDS’s look the same? What must they have

Answer 13

No

Required info

Question 14

What does the gas symbol mean? Visualize what that symbol looks like

Answer 14

indicated gases that are compressed, under pressure, or in other forms that require special care

Question 15

What does the environmental hazard symbol mean? Visualize what that symbol looks like

Answer 15

indicates that chemicals contained are hazardous to the environment/aquatic life (needs special care during disposal)

Question 16

What does the explosive symbol mean? Visualize what that symbol looks like

Answer 16

indicates potential for an explosion. could explode when in contact with fire or if it experiences shocks/friction

Question 17

What does the flame symbol mean? Visualize what that symbol looks like

Answer 17

indicates flammable substance (no contact with anything that could start a fire)

Question 18

What does the corrosive symbol mean? Visualize what that symbol looks like

Answer 18

substance that can cause damage to skin, eyes, potentially destroy metals
cause major damage to other substances
often strong acids or bases
avoid contact with skin, eyes, clothing, do not inhale vapors

Question 19

What does the oxidizer symbol mean? Visualize what that symbol looks like

Answer 19

substance oxidizes (easily react w/ most organic material and intensify combustion/increase the flammable range for chemicals)

Question 20

What does the irritant and sensitizer symbol mean? Visualize what that symbol looks like

Answer 20

indicates toxic chemicals with lower severity, causes irritation

Question 21

What does the acute toxicity symbol mean? Visualize what that symbol looks like

Answer 21

indicates a health hazard, often means a toxic or poisonous substance

Question 22

What does the chronic health hazard symbol mean? Visualize what the symbol looks like

Answer 22

indicates a chemical that is very harmful to the human body

may be detrimental to human health

Question 23

What does the radiation symbol mean? Visualize what that symbol looks like

Answer 23

the substance is radioactive

emit rays or particles that are given off when atoms break apart

Question 24

What does the biohazard symbol mean? Visualize what that symbol looks like

Answer 24

biological substance that is harmful to humans or the environment
includes medical devices

Question 25

What does the laser symbol mean? Visualize what that symbol looks like

Answer 25

warns against included lasers, which can damage the skin and eyesight

Question 26

What does the respiratory protection symbol mean? Visualize what that symbol looks like

Answer 26

You should wear a protective mask or other facepiece

used to ward against contaminated air

Question 27

What does the hand protection symbol mean? Visualize what that symbol looks like

Answer 27

Gloves should be worn

Question 28

What are the different kinds of protective gloves indicated by the hand protection symbol? What does each one do?

Answer 28

Thermal gloves (hot or cold materials)
Leather gloves (rough or scratchy materials)
Nitrile gloves (chemical solvents and potentially infectious substances)

Question 29

What does the protective footwear symbol mean? Visualize what that symbol looks like

Answer 29

Wear protective boots or shoes

Question 30

What does the eye protection symbol mean? Visualize what that symbol looks like

Answer 30

wear eye protection, such as safety goggles

Question 31

What does the face protection symbol mean? Visualize what that symbol looks like

Answer 31

wear full face protection like a face sheild