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SEMI S1-0701 E © SEMI 1986, 2001 11 14 Translation 14.1 This guideline is not in tended to suggest that safety labels be written in or tran slated into any particular language. NOTE 22: National laws may requ ire that sa…

SEMI S1-0701

11.2 For languages using the “Roman” alphabet, such as the official languages used in the Americas and in much of

the European Union, the lettering should be a combination of upper- and lowercase sans serif letters. Uppercase only

lettering may be used for short messages or for emphasis of individual words.

NOTE 17: Preferred Roman sans serif lettering styles include those named Arial, Arial Bold, Folio Medium, Franklin Gothic,

Helvetica, Helvetica Bold, and Univers.

11.3 Lettering should be of a size that enables a person with normal vision, including corrected vision, to read the

safety label at a safe viewing distance from the hazard.

NOTE 18: Related Information 1 provides an example of a method of calculating minimum letter heights.

NOTE 19: The proportions and spacing of individual letters also affect readability.

12 Colors

12.1 Color Specifications — Colors should conform to those colors specified in ISO 3864.

NOTE 20: For purposes of reproduction, the closest PANTONE



color match for opaque safety colors is:

 Red – PANTONE 485

 Orange – PANTONE 152

 Yellow – PANTONE 109

 Blue – PANTONE 2945

(PANTONE



is a registered trademark of Pantone, Inc.).

NOTE 21: Perceived color will be different under colored light (e.g., “yellow room”) conditions. The committee knows of no

current technical solution.

12.2 Symbol and Surround Shape Color Specifications — See section 9.10 for symbol and surround shape color

criteria.

12.3 Signal Word Panel — The three signal words should be colored as follows (see Figure 5):

12.3.1 The word DANGER should be in white letters on a red background.

12.3.2 The word WARNING should be in black letters on an orange background.

12.3.3 The word CAUTION should be in black letters on a yellow background.

12.3.4 Safety Alert Symbol — The solid triangle portion should be the same color as the signal word lettering, and

the exclamation mark portion should be the same color as the signal word panel background.

12.4 Optional Use of Red — The color red may be used in a symbol to indicate heat or fire.

13 Placement

13.1 Location of Safety Labels — Safety labels should be permanently attached to the equipment and, when

possible, located near the hazard.

13.2 Safe Viewing Distance — Safety labels should be placed to allow the viewer enough time to:

 be informed by the safety label; and

 have sufficient time to avoid the hazard or take appropriate evasive action to reduce the potential harm from the

hazard.

13.3 Placement — Safety labels should be placed so that they are legible, non-distracting, and not hazardous in

themselves.

13.4 Inadvertent Removal, Visual Blockage — Safety labels should not be located in areas where they may be

removed by the motion of equipment or rendered ineffective by situational conditions.

13.4.1 Safety labels should not be blocked from view by moveable panels such as doors, windows, and racks where

this would limit the effectiveness of the blocked label.

SEMI S1-0701

14 Translation

14.1 This guideline is not intended to suggest that safety labels be written in or translated into any particular

language.

NOTE 22: National laws may require that safety label information be provided in one or more particular languages.

15 Related Documents

15.1 ANSI Standards

ANSI C95.2 — Radio-Frequency Warning Symbol

ANSI N2.1 — Radiation Symbol

ANSI N12.1 — Fissile Material Symbol

ANSI Z136.1 — Safe Use of Lasers

ANSI Z535.2 — Environmental and Facility Safety Signs

ANSI Z535.5 — Accident Prevention Tags

15.2 NEMA Standard

NEMA 77 — Standards for Warning Labels

15.3 NFPA Standards

NFPA 70 — National Electrical Code

NFPA 178 — Standard Symbols for Fire Fighting Operations

15.4 NIST Documents

NBSIR 80-2003 — Workplace Safety Symbols

NBSIR 80-2088 — The Assessment of Safety Symbol Understandability by Different Testing Methods

NBSIR 82-2485 — Symbols for Industrial Safety

15.5 United States of America Government Document

21 CFR Part 1040 — Performance Standards for Light-Emitting Products

15.6 IEC Standards

IEC 60825-1 — Safety of Laser Products - Part 1: Equipment Classification, Requirements and User's Guide

15.7 ISO Standards

ISO 9186 — Comprehension Testing of Graphical Symbols

4 National Electrical Manufacturers Association, 2101 L Street, N.W., #300, Washington, D.C. 20037, USA, http://www.nema.org

5 National Fire Protection Association, Batterymarch Park, Quincy, MA 02269, USA, http://www.nfpa.org

6 U.S. Department of Commerce, National Institute of Standards and Technology, Center for Building Technology, Washington, D.C., USA,

http://www.nist.gov/public_affairs/faqs/qpubs.htm

7 U.S. Government Printing Office, Washington, D.C., USA, http://bookstore.gpo.gov/prf/ordinfo.html

8 International Electrotechnical Commission, 1 rue de Varembe, Geneva, Switzerland, http://www.iec.ch

9 International Organization for Standardization, C.P.56, CH-1211 Geneva 20, Switzerland, http://www.iso.ch

SEMI S1-0701

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

Flammable Material IEC 61310

Flames

Explosive Material,

Explosion Hazard

IEC 61310

Object exploding

Danger: Electricity,

Electrical Hazard

IEC 61310, ISO

3864

Lightning bolt

Corrosive Material,

Corrosion

IEC 61310

Test tube, hand, drops

Toxic Material,

Poison

IEC 61310

Skull and crossbones

Slip Hazard ANSI Z535.3

Person falling on surface

Trip Hazard ANSI Z535.3

Person tripping over object