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SEMI S1-0701 E © SEMI 1986, 2001 13 # Referent Source Symbol Description 8 Drop, Fall Hazard IEC 61310 Person falling 9 Lifting Hazard, Heavy Object Person bent over weight, strain flare above back 10 Tipover Person with…

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SEMI S1-0701
E
© SEMI 1986, 2001 12
APPENDIX 1
SAFETY SYMBOLS
NOTE: The material in this appendix is an official part of SEMI S1 and was approved by full letter ballot procedures on April 30,
2001 by the North American Regional Standards Committee.
This appendix illustrates symbols used on safety labels for hazards commonly found in the semiconductor
manufacturing industry. Additional symbols may need to be developed for other hazards (see ANSI Z535.3-1998
Informative Annex A for an example of symbol development guidelines).
To determine what symbol should be used on a safety label, it is first necessary to determine what message is to be
communicated. Symbols may enhance a safety label’s meaning and may be useful to communicate across many
languages.
When appropriate, the following symbols should be used.
NOTE A1-1: Some symbols (e.g., laser, biohazard, and radiation) are required by law or regulation in some jurisictions.
Table A1-1 Hazard Identification Symbols
# Referent Source Symbol Description
1
Flammable Material IEC 61310
Flames
2
Explosive Material,
Explosion Hazard
IEC 61310
Object exploding
3
Danger: Electricity,
Electrical Hazard
IEC 61310, ISO
3864
Lightning bolt
4
Corrosive Material,
Corrosion
IEC 61310
Test tube, hand, drops
5
Toxic Material,
Poison
IEC 61310
Skull and crossbones
6
Slip Hazard ANSI Z535.3
Person falling on surface
7
Trip Hazard ANSI Z535.3
Person tripping over object
SEMI S1-0701
E
© SEMI 1986, 2001 13
# Referent Source Symbol Description
8
Drop,
Fall Hazard
IEC 61310
Person falling
9
Lifting Hazard,
Heavy Object
Person bent over weight, strain flare above
back
10
Tipover
Person with object tipping over and arrow
11
Entanglement
Hazard
(hand in gears)
ANSI Z535.3
Hand in gears
Note: other body parts or orientations may
be substituted as necessary
12
Pinch point
(hand in rollers)
ANSI Z535.4
Hand in rollers
Note: other body parts or orientations may
be substituted as necessary
13
Cut/Sever
(hand and sharp
object)
ANSI Z535.3
Hand and sharp object
Note: other body parts or orientations may
be substituted as necessary
14
Crush Hazard
Hand between two surfaces, arrow
Note: other body parts or orientations may
be substituted as necessary
15
Heat,
Hot Surface
ISO 3864, ISO 7000
Heat waves
16
Cold
Snow flake
17
Strong Magnetic
Field
Horseshoe magnet
SEMI S1-0701
E
© SEMI 1986, 2001 14
# Referent Source Symbol Description
18
Radioactive
Material,
Radiation Hazard
IEC 61310
Abstract three blades
19
Laser Beam IEC 60825-1
Radiating sunburst, line
20
Biological Risk,
Biohazard
IEC 61310
Abstraction
21
Non-Ionizing
Radiation,
Radio Frequency
IEC 61310
Abstract radiation transmitter
22
UV Light Hazard
The letters “UV” inside a sunburst
23
Inhalation Hazard
(e.g., toxic gas,
asphyxiation
hazard)
Human figure breathing in particles
24
General Warning
(should be
supplemented with
words)
ISO 3864
Exclamation point
(See Figure 6 for an example of a safety
label using the General Warning symbol)
Table A1-2 Mandatory Action Symbols
# Referent Source Symbol Description
1
Wear Eye
Protection
IEC 61310
Head with eyeglasses
2
Wear Ear
Protection
IEC 61310
Head with ear protection