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Analytical Chemistry > Safety in Laboratory > Flashcards

Safety in Laboratory Flashcards

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1
Q

All personnel involved in laboratory activities must have adequate knowledge of proper chemical handling to reduce the chance of having laboratory related accidents

A

True

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2
Q

Observing threshold limit values and permissible exposure limits is one of the general principle in working with laboratory chemicals

A

True

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3
Q

Accident prevention program must not be present up to date

A

False

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4
Q

Chemical Hygiene Plan (CHP) is a written progran developed and implemented by the employer which sets from health hazard presented by hazardous chemical used in that particular workplace

A

True

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5
Q

He is appointed to performe safety related activities such as review of Hazardous properties of chemicals and MSDS, proper labeling and checking for compliance in safety related activities

A

Safety Officer

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6
Q

A written program developed and implemented by the employer which sets forth procedures, equipment, ppe and work practices that focuses on protecting employees from health hazards

A

Chemical Hygiene Plan (CHP)

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7
Q

It has been used as a means of determining how to implement practical and feasible control measures

A

Hierarchy of Controls

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8
Q

Rounding the sharp edge of equipment to prevent workers injury by sharp edges is an example of

A

Elimination

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9
Q

You change the eay of work

A

Administrative controls

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10
Q

Isolating people from the hazard

A

Engineering controls

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11
Q

Involves replacing one chemical/process foe anothwe with lower physical and health hazards.

A

Substitution

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12
Q

Using digital thermometer instead of mercury is an example of

A

Substitution

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13
Q

Using fume hood glove box and putting chemical cabinets is an example of

A

Engineering controls

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14
Q

Are set to reduce employee exposure from hazards it includes low level of protection and less reliable controls that involve work methods or procedures designed to minimize exposure to hazards

A

Administrative control

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15
Q

This is the last line of defense from hazard and the supplementary method of control when exposure to hazards cannot be engineered completely out of normal operations

A

PPE

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16
Q

Reduces lights to soecific wavelength that enters the eyes

A

Laser safety glasses

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17
Q

Offer protection from flginf debris only

A

Impact goggles

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18
Q

Used togetherbwith splash goggles when working with chemicals that can cause immediate damage to the skin or eyes

A

Face shield

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19
Q

Used when dealing with chemicals and infectious substance or even flying debris that may reach the eyes

A

Chemical splash goggles

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20
Q

Thisbis generally used when working with solutions that are not likely to damage eyes

A

General safety glasses

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21
Q

Gloves used when working with biological hazards such as human blood fluids or pathogens specimens

A

Disposable latex

22
Q

Gloves when working with chemical splash hazards and biological and splash hazards

A

Disposable nitrile

23
Q

Used when working with biological hazards

A

Disposable vinyl

24
Q

We use _____ when working with small volumes of corrosive liquids organic solvents flammable compounds

A

Natural rubber latex

25
Q

We use _____glives when using apparatus under pressure or reactive chemicals

A

Nitril

26
Q

Working with large volumes of organic solvents we use this gloves

A

Butyl

27
Q

Working with organic solvents and hazardous meterial spills

A

Viton II

28
Q

Working with organic solvents with hazardous spills and added mechanical protection

A

Silver shield

29
Q

One of the most importante equipment which protect the laboratory staff from inhaling toxic vapors or materials

A

Laboratory chemical hoods

30
Q

Is the value that determines the suitability of the chemical fume hood for use should be 80-100 feet per minute

A

Face velocity

31
Q

Air current caused by the laboratory personnel by walking in front of open chemical hood which causes vortices that can overcome face velocity and pull the contaminants from the hood into the laboratory

A

Proximity to traffic

32
Q

Air current from air diffuser produces the same effect as that of the walking person

A

Proximity to supply air diffuser

33
Q

Proximity to windows and doors

A

Wind blowing and high velocity votices affects chemical hood face velocity

34
Q

Used for first aid treatment for the skin or eyes chemical splashes and must be available on all areas of the laboratory

A

Laboratory showers and eyewashes

35
Q

Eyewash fountains and safety showers should also be placed at least ___ft apart to make simultaneous use of two victims possible

A

5 ft

36
Q

Affected body must be rinsed generally app

A

At least 15mins

37
Q

Washing for strong alkalis such as sodium potassium or calcium hydroxide

A

60mins

38
Q

Non irritants or mild irritants washing time

A

5mins

39
Q

Most corrosive irritants should be washed

A

30mins

40
Q

Moderate irritants should be washed

A

15-20mins

41
Q

Pursuant to the RA 6969 DAO 2015-09 issued by DENR presents the guidelines on proper labelling, storage and management of hazardous substances

A

Globally haromonized system

42
Q

_____Gives specifications for the standard system for assigning and identification of the health, flammability, and reactivity hazards of materials under emergency conditions such as spills, leaks, and fires.

A

National Fire Protection Association

43
Q

Blue in safety diamond is

A

Health hazard

44
Q

Red in safety diamond. Highest flash point?

A

Fire hazard, below 73°F

45
Q

Below 100°F flash point number in red safety diamond

A

3

46
Q

White diamond

A

Specific hazard

47
Q

Yellow is safety hazard

A

Reactivity

48
Q

Unstable if heated

A

1

49
Q

Violent chemical change

A

2

50
Q

May detonate

A

4

51
Q

2 in blue safety diamond

A

Hazardous

52
Q

Deadly 4
3-_____
2-hazardous
1-slightly hazardous
0-nomal material

A

Extreme danger

Analytical Chemistry (9 decks)

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