Chemical Safety Flashcards
1
Q
a written program developed and implemented by the employer which sets forth procedures, equipment, PPE, and work practices that are capable of protecting employees from health hazard presented by hazardous chemicals used in that particular workplace
A
chemical hygiene plan (chp)
2
Q
appointed to perform safety-related activities such as review of hazardous properties of chemicals and MSDSs
A
chemical hygiene officer
3
Q
removes the hazard; most effective way of reducing risks
A
eliminating
4
Q
replacing one chemical/process with another with lower physical and health hazards
A
substitution
5
Q
any device or safety equipment that is placed to prevent contact with or exposure to hazards
A
engineering controls
6
Q
set to reduce employee exposure from hazards
A
administrative controls
7
Q
the last line of defense from hazards
A
personal protective equipment (PPE)
8
Q
generally used when working with solutions that are not likely to damage eyes
A
general safety glasses
9
Q
used when dealing with chemicals and infectious substances or even flying debris that may reach the eyes
A
chemical splash goggles
10
Q
glasses: reduce lights of specific wavelength that enter the eyes
A
laser safety glasses
11
Q
offer protection from flying debris only
A
impact goggles
12
Q
used together with splash goggles when working with chemicals that can cause immediate damage to the skin or eyes
A
face shields
13
Q
gloves: working with biological hazards (human blood, body fluids, etc.)
A
disposable latex
14
Q
gloves: working with biological hazards and chemical splash hazards
A
disposable nitrile
15
Q
gloves: working with biological hazards
A
disposable vinyl
16
Q
gloves: working with small volumes of corrosive liquids, organic solvents, flammable compounds
A
natural rubber latex
17
Q
gloves: using apparatus under pressure, air, or water reactive chemicals
A
nitrile
18
Q
working with large volumes of organic solvents; small to large volumes of dangerous solvents, acutely toxic, or hazardous materials
A
butyl
19
Q
same as butyl gloves, plus hazardous material spill
A
viton II
20
Q
gloves: same as butyl and viton II, added mechanical protection, hazardous material spills
A
silver shield
21
Q
working with hot liquids and equipment, open flames, water bath, oil bath
A
terrycloth autoclave
22
Q
handling cryogenic liquids
A
cryogen
23
Q
working with live animals and exposure to potential cuts
A
wire mesh
24
Q
labgown: general use; chemical, biological, radiation, and physical hazards
A
traditional (cotton/cotton-polyester blend) lab gowns
25
labgown: working with water or air reactive chemicals, large volumes of organic solvents, and potentially explosive chemicals
flame resistant lab gowns
26
labgown: working with infectious materials
barrier (predominantly polyester) labgown
27
protect against large droplets and splashes
surgical masks
28
mask: protects against dusts, fumes, mists, microorganisms
N-95 respirators
29
purifies air; protects against variety of particulates, vapors, dust, mists, fumes, depends on filter cartridge used
half-mask respirators
30
same as half mask, greater protection; eye, mucus membranes and face protection; depends on filter cartridge used
full-face respirators
31
for use in half-mask respirators and full-face respirators
respirator cartridges
32
respirator cartridge for fumes of organic solvents only
organic vapor (OV)
33
respirator cartridge or vapors of HCl, sulfuric acid, etc.
acid gas
34
most important equipment in the laboratory that protect laboratory staff from inhaling toxic vapors/materials
laboratory chemical hoods
35
value that determines the suitability of the chemical fume hood for its use
face velocity
36
value of face velocity
80 - 100 ft/min
37
__ reduces the face velocity of the hood and consequently its performance
air currents
38
air current caused by the laboratory personnel walking in front of an open chemical hood
proximity to traffic
39
air current from air diffuser produces the same effect as that of a walking person
proximity to supply air diffuser
40
wind blowing through the windows and high-velocity vortices caused when doors open significantly affect the chemical hood face velocity
proximity to windows and doors
41
use for first-aid treatment for skin or eye chemical splashes and must be available in all areas of the laboratory where chemical testing is performed
laboratory showers and eyewashes
42
used for immediate treatment for chemical splashes on body
safety showers
43
used for immediate treatment of chemical splashes on eyes
eyewash fountains
44
eyewash fountains and safety showers should also be placed at least __ apart to make simultaneous use of two victims possible
5 feet
45
the affected body part must be rinsed for at least __
15 mins
46
where all reagents are stored, arranged and labelled properly
chemical storage
47
store in a corrosive storage cabinet or in secondary containment
corrosives: inorganic/mineral acids, organic acids, bases
48
store in secure location away from all other chemicals
explosives
49
store in flammable storage cabinet within secondary containment
flammable chemicals
50
store in secondary containment, separate from flammable and combustible materials
oxidizers
51
store in dry, cool location, protect from water fire sprinkler
water-reactive
52
store in cool, dry area, away from oxidizing gases. securely strap or chain cylinders to a wall or bench top
compressed gas: flammable
53
store in cool, dry area, away from flammable gases and liquids. securely strap or chain cylinders to a wall or bench top
compressed gas: oxidizing
54
store in their own secondary containment within a corrosive storage cabinet due to oxidizing characteristics
special consideration chemicals
55
store in their own secondary containment within a chemical storage cabinet due to its flammable hazard in addition to being corrosive
amines
56
secondary containment for spills, leaks, drips, or weeping
corrosion-resistant storage
57
suitable for corrosion-resistant storage
polypropylene
58
clear, colorless liquid that is extremely dangerous in all form
hydrofluoric acid
59
standardized symbols for labelling hazardous chemical substances
globally harmonized system
60
technical documents that contain all information about certain material related to its health effects upon exposure, hazard, and storage handling, precautionary measures, and emergency procedures
safety data sheets
61
how many sections of sds
16 sections
62
give specifications for a standard system for the assigning and identification of the health, flammability, reactivity hazards of materials under emergency conditions, such as spills, leaks and fires
NFPA hazard signal
63
blue color in NFPA hazard signal
health hazard
64
red color in NFPA hazard signal
fire hazard
65
white color in NFPA hazard signal
specific hazard (acid, alkali, corrosive, oxidizer, radioactive, use no water)
66
yellow color in NFPA hazard signal
reactivity hazard
67
range wherein the mixture is too lean to burn
lower explosion limit
68
range wherein the mixture is too rich to burn
upper explosion limit
69
can be ignited at concentrations less than their lower flammable limits and at temperatures below their flashpoint
flammable liquids
70
the lowest temp at 1 atm at which liquid releases flammable vapor into the atmosphere enough to ignite when mixed with air at or near the surface of the liquid upon application of a source of ignition such as flame or spark
flash point
71
manual fire-extinguishing equipment
fire extinguishers
72
class of fire extinguisher for fires involving ordinary combustible solid materials such as wood, paper, rubber, plastic, cloth
class a (water type, multipurpose dry chemical type, wet chemical type)
73
class of fire extinguisher for fires in flammable and combustible liquid and gas (surface fire)
class b (aqueous film-foaming foam, film-foaming fluoroprotein foam, carbon dioxide, dry chemical type)
74
class of fire extinguisher for fires involving energized electrical equipment (electrical fire)
class c (dry chemimcal type, hcfc type)
75
class of fire extinguisher for fires involving combustible metals such as aluminum, magnesium, sodium, titanium
class d (dry powder)
76
class of fire extinguisher for kitchen fire
class k (kitchen extinguisher)
77
fire extinguisher: color designation for dry chemical (class abs) type
red body, white band
78
color designation for carbon monoxide type
red body, black band
79
color designation for foam type
red body, blue band
80
color designation for halon substitute
light green body, white band
81
arise from the highly reactive nature of chemicals in which in the presence of a stimulus, may cause sudden increase in temperature or explosion
reactive hazards
82
materials that react violently with water
water reactive substances
83
include gases which are contained in a receptacle at a pressure of 200 kPa (gauge) or restricted system or more at 20 deg C, or which are liquefied or liquified and refrigerated
gases under pressure
83
materials that ignite due to rapid oxidation by oxygen or moisture in the air
pyrophoric substances
84
arise from explosions due to rapid expansion or evolution of gases, usually in a closed or restricted system
explosion hazards
85
reactions that result in a sudden, rapid rise in temperature of the material that is being heated which may become violent
runaway reactions
86
fire triangle consists of:
ignition source, oxygen, fuel
87
hazardous substances that enter the body through absorption, injection, ingestion, or inhalation
toxic substances
88
chemical agents that cause undesirable response of tissues upon exposure
irritants
89
causes depletion of oxygen in the tissues
asphyxiants
90
mainly affect the nervous system by inducing depressant effects
narcotics or anesthetics
91
agents that cause toxic action mainly on the internal organs
systematic poisons
92
chemical agents that may cause cancer to exposed individuals
carcinogens
93
chemical agents that affect the cells of the person upon exposure that may lead to cancer or undesirable mutations to take place in a later generation
mutagens
94
agents that cause birth defects upon exposure to a pregnant woman
teratogens
95
agents that cause allergic or allergic-like reactions
sensitizers
96
solid particles of a substance or mixture suspended in a gas (usually air) that is commonly formed by mechanical processes
dust
97
liquid droplets of a substance or mixture suspended in a gas (usually air) that is formed by condensation of supersaturated vapors or by physical shearing of liquids
mists
98
gaseous form of a substance or mixture released from its liquid or solid state
vapor
99
the extent to which a substance is taken up by an organism and distributed to an area within the organism
bioavailability
100
net result of uptake, transformation, and elimination of a substance in an organism due to all routes of exposure
bioaccumulation
101
net result of uptake, transformation, and elimination of a substance in an organism due to waterborne exposure
bioconcentration
102
involve accidental release of hazardous solid materials
solid chemical spills
103
refer to accidental spills of liquid materials that are potentially hazardous
liquid chemical spills
104
most commonly used absorbents for chemical spills
spill pillows
105
treated with soda ash to neutralize the acid spills
acid solution spills
106
smaller acid spills can be neutralized using __
baking soda
107
treated with citric acid or dilute HCl to neutralize the base spills
alkali solution spills
108
small caustic spills can be treated directly with __
solid boric acid or dilute acetic acid solutions
109
commonly used sorbent materials for volatile and flammable solvent spills
amorphous silicate, polypropylene, or surfactant-treated propylene
110
spilled mercury should be immediately and thoroughly cleaned up using an __
aspirator bulb or a vacuum device
111
mercury spilled into floor cracks can be made nonvolatile by __
amalgamation with zinc dust
112
the waste management guidelines are described in __
DAO 2013-22
113
materials, by-products, residues, or any other substances from manufacturing operations that are of no importance and present unreasonable risk or hazard to the health and safety of the people and the environment
hazardous waste
114
refers to substances that can create fire under certain conditions
ignitability
115
refers to material with pH values less than 2 and pH values greater than 12.5
corrosivity
116
refers to substances that are unstable under normal conditions and readily undergo violent reaction without detonation
reactivity
117
refers to substances that can cause acute or chronic health risks
toxicity
118
laboratory chemical wastes can be classified into:
solid wastes and lquid wastes
119
waste number for waste cyanide
A101
120
waste number for acid wastes
B201 to B299
121
waste number for alkali wastes
C301 to C399
122
waste number for wastes with inorganic chemicals
D401 to D499
123
waste number for reactive chemical wastes
E501 to E599
124
waste number for inks/dyes/pigments/paint/resins/latex/adhesives/organic sludge
F601 to F699
125
waste number for organic wastes
H802
126
waste number for oil
I101 to I104
127
waste number for containers
J201
128
waste number for stabilized wastes
K301 to K303
129
container type for acids and bases content
polyethylene drums
130
container type for flammable, solvents, paints
metal drums
131
container type for granular materials
fiber drums
132
the maximum hazardous waste accumulation time is __
one (1) year, except for wastes that have no existing infrastructure for proper treatment and disposal
133
place chemical sources and apparatus at least __ behind the face
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