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AS
AS/NZS 2243.2:1997

AS/NZS 2243.2:1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Safety in laboratories - Chemical aspects

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-06-2017

Superseded by

AS/NZS 2243.2:2006

Language(s)

English

Published date

01-01-1997

Publisher

Standards Australia

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Hardcopy - English
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1 - AS/NZS 2243.2:1997 SAFETY IN LABORATORIES - CHEMICAL ASPECTS
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED AND RELATED DOCUMENTS
6 - 1.3 DEFINITIONS
6 - 1.3.1 Bund
6 - 1.3.2 Combustible liquid (Australia only)
6 - 1.3.3 Flammable liquid
6 - 1.3.4 Signal words (Australia only)
7 - SECTION 2 PLANNING FOR SAFETY
7 - 2.1 GENERAL
7 - 2.2 INSTALLATION OF EQUIPMENT
7 - 2.3 PROVISION OF PERSONAL SAFETY EQUIPMENT
7 - 2.4 RESPONSIBILITY FOR SAFETY
7 - 2.4.1 Head officer
7 - 2.4.2 Risk assessment
7 - 2.5 ORGANIZATION OF LABORATORY SAFETY
7 - 2.5.1 Conduct within the laboratory
7 - 2.5.2 Housekeeping
8 - 2.5.3 General precautions
9 - 2.5.4 Storage of chemicals
9 - 2.5.5 Cleaning up spills in the laboratory
10 - 2.5.6 Cleaning of laboratories
10 - 2.5.7 Maintenance of laboratory services
10 - 2.5.8 Laboratory chemical wastes
12 - SECTION 3 SAFE USE OF CHEMICAL SUBSTANCES
12 - 3.1 SOURCES OF HAZARDS
12 - 3.2 SAFETY DATA
12 - 3.3 FLAMMABLE CHEMICALS
12 - 3.3.1 General
13 - 3.3.2 Precautions for highly flammable liquids
13 - 3.3.3 Special sources of danger
14 - 3.3.4 Precautions for Class 4.2 and Class 4.3 substances
15 - 3.3.5 Firefighting equipment
15 - 3.4 TOXIC (POISONOUS) CHEMICALS
15 - 3.4.1 General
15 - 3.4.2 Toxic dusts
16 - 3.5 CORROSIVE SUBSTANCES
16 - 3.6 UNSTABLE CHEMICALS
16 - 3.7 HIGHLY REACTIVE CHEMICALS
17 - SECTION 4 SAFE USE OF COMPRESSED AND LIQUEFIED GASES
17 - 4.1 CONTAINMENT
17 - 4.2 GENERAL PRINCIPLES
18 - 4.3 HANDLING OF GASES, COMPRESSED OR LIQUEFIED IN CYLINDERS
19 - 4.4 CRYOGENICS
19 - 4.4.1 General
19 - 4.4.2 Liquefied and solidified gases
20 - 4.4.3 Personal protection
20 - 4.4.4 Handling
21 - 4.4.5 Storage and transport
22 - 4.4.6 Transfer techniques
22 - 4.4.7 Bulk storage units
22 - 4.4.8 Proprietary equipment
23 - 4.4.9 Air condensation and oxygen enrichment
23 - 4.4.10 Working at reduced pressure
23 - 4.4.11 Ventilation
24 - 4.5 EMERGENCY MEASURES AND FIRST AID
24 - 4.5.1 Cold contact burns
24 - 4.5.2 First aid and general treatment
25 - APPENDIX A - LIST OF REFERENCED AND RELATED DOCUMENTS
25 - A1 REFERENCED DOCUMENTS
26 - A2 REFERENCES
27 - A3 RELATED DOCUMENTS
28 - APPENDIX B - HAZARDS ASSOCIATED WITH COMMONLY USED TOXIC CHEMICALS
28 - B1 SCOPE
28 - B2 TOXIC CHEMICALS
28 - B2.1 Aniline
28 - B2.2 Asbestos
28 - B2.3 Benzene
28 - B2.4 Beryllium and its compounds
28 - B2.5 Bromine
28 - B2.6 Carbon monoxide
28 - B2.7 Carbon disulfide
28 - B2.8 Carbonyl, nickel carbonyl, iron carbonyl
28 - B2.9 Chlorine
28 - B2.10 Chlorinated hydrocarbons
29 - B2.11 Chromates
29 - B2.12 Cyanides, hydrogen cyanide
29 - B2.13 Dimethyl sulfate, diethyl sulfate and related alkylating reagents
29 - B2.14 Fluorine and halogen fluorides
29 - B2.15 Hydrofluoric acid, hydrogen fluoride, potassium hydrogen fluoride
29 - B2.16 Hydrogen sulfide
29 - B2.17 Lead salts and lead-containing dusts
29 - B2.18 Mercury
29 - B2.19 Nitrobenzene
30 - B2.20 Nitrogen dioxide
30 - B2.21 Phenol
30 - B2.22 Phosgene (carbonyl chloride)
30 - B2.23 Phosphorus
30 - B2.24 Phosphorus trichloride
30 - B2.25 Pyridine
30 - B2.26 Silver nitrate
30 - B2.27 Sulfur dioxide
30 - B2.28 Tetrabromoethane
30 - B2.29 Thallium and its compounds
31 - APPENDIX C - LABEL FOR CHEMICAL WASTES
32 - APPENDIX D - TESTING AND TREATMENT FOR ETHER CONTAINING PEROXIDES
32 - D1 SCOPE
32 - D2 TESTING FOR PRESENCE OF PEROXIDES
32 - D2.1 Reagent
32 - D2.2 Procedure
32 - D2.3 Interpretation of result
32 - D3 REMOVAL OF PEROXIDES FROM ETHERS
32 - D3.1 Reagent
32 - D3.2 Apparatus
32 - D3.3 Procedure
33 - APPENDIX E - EXAMPLES OF COMMONLY USED HIGHLY FLAMMABLE CHEMICALS
33 - E1 GENERAL
33 - E2 ORGANIC
33 - E3 INORGANIC AND ORGANO-METALLIC
34 - APPENDIX F - HAZARDS ASSOCIATED WITH COMMONLY USED HIGHLY REACTIVE CHEMICALS
34 - F1 SCOPE
34 - F2 ACID SALTS
34 - F3 LIQUEFIED AMMONIA
34 - F4 SODAMIDE
34 - F5 GASEOUS HALOGENS
34 - F6 METALS, METAL HYDRIDES, METAL ALKYLS
34 - F6.1 Alkali metals, lithium, sodium, potassium
35 - F6.2 Powdered metals, including magnesium, aluminium, zinc, iron
35 - F6.3 Metal alkyls
35 - F6.4 Metal hydrides
35 - F7 OXIDIZING AGENTS
35 - F7.1 Chlorates and chlorites
35 - F7.2 Chromic acid and fuming nitric acid
35 - F7.3 Liquid oxygen
35 - F7.4 Perchloric acid
36 - APPENDIX G - HAZARDS ASSOCIATED WITH COMMONLY USED CORROSIVE SUBSTANCES
36 - G1 SCOPE
36 - G2 STRONG ACIDS
36 - G2.1 Hydrochloric acid, hydrogen chloride
36 - G2.2 Hydrofluoric acid, hydrogen fluoride
36 - G2.3 Nitric acid, fuming nitric acid
36 - G2.4 Sulfuric acid, oleum and chlorosulfonic acid
36 - G2.5 Acid cleaning mixtures
36 - G3 STRONG BASES
36 - G3.1 Sodium hydroxide, potassium hydroxide, calcium oxide
37 - G3.2 Ammonia solutions
37 - G4 HALIDES -BORON TRICHLORIDE, BORON TRIBROMIDE, PHOSPHORUS TRICHLORIDE, SILICON TETRACHLORIDE, ALUMINIUM CHLORIDE, TITANIUM....
38 - APPENDIX H - HAZARDS ASSOCIATED WITH COMMONLY USED UNSTABLE SUBSTANCES
38 - H1 SCOPE
38 - H2 UNSTABLE SUBSTANCES
38 - H2.1 Acetylene and acetylides
38 - H2.2 Azides and silvering solutions
38 - H2.3 Azo and diazo compounds
38 - H2.4 Chlorates and perchlorates
38 - H2.5 Chlorides of aluminium, silicon and titanium
38 - H2.6 Ethers, dioxane, tetrahydrofuran
38 - H2.7 Nitro-compound, picric acid, trinitrobenzene
39 - H2.8 Nitrogen halides
39 - H2.9 Organic salts of per-acids
39 - H2.10 Peroxides
40 - APPENDIX I - HAZARDS ASSOCIATED WITH THE USE OF PERCHLORIC ACID
40 - I1 INTRODUCTION
40 - I2 PROPERTIES OF PERCHLORIC ACID
40 - I3 HAZARDS ASSOCIATED WITH THE USE OF PERCHLORIC ACID
41 - I4 SAFE WORKING CONDITIONS
41 - I5 LABORATORY PRACTICE
42 - I6 DISMANTLING AN EXHAUST VENTILATION SYSTEM SUSPECTED OF CONTAMINATION WITH PERCHLORATES
42 - I7 REFERENCES ON PERCHLORIC ACID AND PERCHLORATES

Provides requirements, responsibilities and guidelines to promote safety in laboratories where chemicals are handled.

Committee
CH-026
DocumentType
Standard
ISBN
0 7337 0906 0
Pages
37
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard sets out requirements and recommended procedures for safe working practices in the chemical laboratory. It includes procedures for handling flammable, toxic, unstable and highly reactive chemicals and makes special reference to the handling of compressed and liquefied gases. The Standard also includes information on hazards associated with working in the chemical laboratory.

First published in Australia as AS 2243.2-1979.
Second edition 1982.
Third edition 1990.
Jointly revised and designated AS/NZS 2243.2:1997.

AS 1076.1-1977 Code of practice for the selection, installation and maintenance of electrical apparatus and associated equipment for use in explosive atmospheres (other than mining applications) Basic requirements
AS 2243.1-1990 Safety in laboratories General
AS 2022-1983 Anhydrous ammonia - Storage and handling (known as the SAA Anhydrous Ammonia Code)
AS 2927-1987 The storage and handling of liquefied chlorine gas
AS 2243.10-1993 Safety in laboratories - Storage of chemicals
AS 1169-1982 Minimizing of combustion hazards arising from the medical use of flammable anaesthetic agents
AS 1894-1997 The storage and handling of non-flammable cryogenic and refrigerated liquids (Reconfirmed 2021)
AS 3000-1986 Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules)
AS 2381.1-1991 Electrical equipment for explosive atmospheres - Selection, installation and maintenance General requirements
AS 2243.8-1992 Safety in laboratories Fume cupboards
AS 1940-1993 The storage and handling of flammable and combustible liquids
AS 1841.5-1992 Portable fire extinguishers Powder type
AS/NZS 2210.1:1994 Occupational protective footwear - Guide to selection, care and use
AS/NZS 2210.2:1994 Occupational protective footwear Specification
AS/NZS 1716:1994 Respiratory protective devices
AS/NZS 1715:1994 Selection, use and maintenance of respiratory protective devices
AS 1596-1989 LP Gas - Storage and handling
AS 1216-1995 Class labels for dangerous goods
AS 4332-1995 The storage and handling of gases in cylinders
AS 2243.4(INT)-1994 Safety in laboratories Ionizing radiations
AS 2243.6-1990 Safety in laboratories - Mechanical aspects
AS 2430.3-1991 Classification of hazardous areas - Specific occupancies
AS 2982-1987 Laboratory construction
AS 3780-1994 The storage and handling of corrosive substances
AS 1336-1982 Recommended practices for eye protection in the industrial environment
AS 4326-1995 The storage and handling of oxidizing agents
AS/NZS 1337:1992 Eye protectors for industrial applications

AS 2836.7-1998 Methods of testing surgical dressings and surgical dressing materials Method for the determination of level of surface-active substances
AS/NZS 2243.3:2002 Safety in laboratories Microbiological aspects and containment facilities
AS 1038.2-2006 Coal and coke - Analysis and testing Coke - Total moisture (Reconfirmed 2016)
AS 4751(INT)-2000 Electrogalvanized (zinc) coatings on ferrous open sections
AS 2836.2-1998 Methods of testing surgical dressing and surgical dressing materials Method for the identification of cotton and viscose fibres
AS 1774.13-2000 Refractories and refractory materials - Physical test methods Permanent dimensional change (Reconfirmed 2013)
AS/NZS 2243.10:2004 Safety in laboratories Storage of chemicals
AS 4479.3-1999 Analysis of soils Determination of metals in aqua regia extracts of soil by flam atomic absorption spectrometry (Reconfirmed 2018)
AS 3844-1998 Recommended practice for metal analysis by electrochemical stripping techniques
AS/NZS 2243.1:1997 Safety in laboratories General
AS/NZS 2869:1998 Tampons - Menstrual
AS 2836.9-1998 Methods of testing surgical dressings and surgical dressing materials Method for the determination of the presence of starch and dextrins
AS 2331.3.9-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Metallic coatings - Porosity tests - Ferroxyl test
AS 2331.3.10-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Cracks and pores in chromium
AS/NZS 2243.8:2006 Safety in laboratories - Fume cupboards
AS 4750(INT)-2000 Electrogalvanized (zinc) coatings on ferrous hollow sections
AS 2503.2-2006 Refractories and refractory materials - Chemical analysis Aluminosilicate refractories
AS/NZS 4308:2001 Procedures for the collection, detection and quantitation of drugs of abuse in urine
AS 1038.6.4-2005 Coal and coke - Analysis and testing Higher rank coal and coke - Ultimate analysis - Carbon, hydrogen and nitrogen - Instrumental method
AS/NZS 4757:2002 Handling and destruction of drugs
AS/NZS 4792:1999 Hot-dip galvanized (zinc) coatings on ferrous hollow sections, applied by a continuous or a specialized process
AS 4873.1-2005 Recommended practice for inductively coupled plasma-mass spectrometry (ICP-MS) - Principles and techniques
AS 2331.1.1-2001 Methods of test for metallic and related coatings Local thickness tests - Micrographic examination of cross-sections
AS 4985-2002 Collection and stabilization of urine samples for quantitation of trace and toxic elements
AS/NZS 4791:1999 Hot-dip galvanized (zinc) coatings on ferrous open sections, applied by an in-line process
AS/NZS 3816:1998 Management of clinical and related wastes
AS 2331.2.1-2001 Methods of test for metallic and related coatings Tests for average coating mass per unit area or for thickness - Dissolution methods - Strip and weigh, and analytical
AS 1038.4-2006 Coal and coke - Analysis and testing Coke - Proximate analysis
AS/NZS 2243.1:2005 Safety in laboratories Planning and operational aspects
AS 1774.22-2000 Refractories and refractory materials - Physical test methods Refractory mortar - Test methods
AS 2331.3.3-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Copper accelerated acetic acid salt spray test (CASS test)
AS 2331.1.2-2001 Methods of test for metallic and related coatings Local thickness tests - Coulometric method (Reconfirmed 2017)
AS 2331.3.2-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Acetic acid salt spray test (ASS test)
AS 2331.3.6-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Electrographic porosity test
AS 4332-2004 The storage and handling of gases in cylinders (Reconfirmed 2016)
AS 2331.3.4-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Thioacetamide anti-tarnish and porosity test
AS 1038.18-2006 Coal and coke - Analysis and testing Coke - Size analysis (Reconfirmed 2016)
AS 2331.4.1-2001 Methods of test for metallic and related coatings Physical tests - Qualitative adhesion tests (Reconfirmed 2017)
AS 2503.1-2006 Refractories and refractory materials - Chemical analysis Silica refractories
AS 1774.21-2005 Refractories and refractory materials - Physical test methods Determination of workability index - Mouldable refractories
AS 3515.1-2005 Gold and gold bearing alloys - Determination of gold content (less than 30%) - Gravimetric (fire assay) method
AS/NZS 2243.8:2001 Safety in laboratories - Fume cupboards
AS 4750-2003 Electrogalvanized (zinc) coatings on ferrous hollow and open sections (Reconfirmed 2017)
AS 2331.3.5-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Sulfur dioxide/hydrogen sulfide porosity tests
AS 1038.26-2005 Coal and coke - Analysis and testing Higher rank coal and coke - Guide for the determination of apparent relative density
AS 2331.2.3-2001 Methods of test for metallic and related coatings Tests for average coating mass per unit area or for thickness - Hydrogen evolution method for zinc coatings
AS 4479.2-1997 Analysis of soils Extraction of heavy metals and metalloids from soil by aqua regia - Hotplate digestion method
AS/NZS 1301.012S:2003 Methods of test for pulp and paper Organic solvent extractives in wood, pulp and paper (Reconfirmed 2013)
AS/NZS 4680:1999 Hot-dip galvanized (zinc) coatings on fabricated ferrous articles
AS 2331.3.1-2001 Methods of test for metallic and related coatings Corrosion and related property tests - Neutral salt spray test (NSS test) (Reconfirmed 2017)
AS 2503.4-2006 Refractories and refractory materials - Chemical analysis Dolomites and magnesites
AS/NZS 4782.3(INT):2006 Double-capped fluorescent lamps - Performance specifications Procedure for quantitative analysis of mercury present in fluorescent lamps
AS 1774.11-2005 Refractories and refractory materials - Physical test methods Determination of thermal expansion
AS 2836.11-1998 Methods of testing surgical dressings and surgical dressing materials Method for the determination of sulfated ash content
AS 2503.3-2006 Refractories and refractory materials - Chemical analysis High alumina materials

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