AS/NZS 4020:1999
Products for use in contact with drinking water
Specifies requirements for the suitability of products for use in contact with drinking water. Appendices contain test methods for evaluating those parameters that may adversely affect the quality of the water. The use of scaling factors to relate these parameters to end-use conditions is provided.
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AS/NZS 4020:1999 PRODUCTS FOR USE IN CONTACT WITH DRINKING WATER
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Anaerobic adhesive
3.2 Colour (true colour)
3.3 Composite product
3.4 Cytotoxic
3.5 Drinking water
3.6 End-of-line fitting
3.7 Extract (leachate)
3.8 Extract (leachate) water
3.9 Maximum holding water temperature
3.10 Mutagenic
3.11 Organoleptic
3.12 Product
3.13 Sample
3.14 Scaling factor
3.15 Taste panellist
3.16 Test water
3.17 Threshold dilution
3.18 Turbidity
3.19 Water fitting
4 TEST SAMPLES
4.1 Selection and preparation of samples
4.2 Range of product sizes
4.3 Product exposure
5 SCALING FACTORS
6 TEST REQUIREMENTS
6.1 General
6.2 Taste of water extract
6.3 Appearance of water extract
6.4 Growth of aquatic micro-organisms
6.5 Cytotoxic activity of water extract
6.6 Mutagenic activity of water extract
6.7 Extraction of metals
6.7.1 Products in general
6.7.2 End-of-line fittings
7 HOT WATER TESTS
APPENDIX A - SAMPLE PREPARATION
A1 SCOPE
A2 APPARATUS
A2.1 Paper storage bags
A2.2 Glass plates
A2.3 Copper alloy couplings
A2.4 Test container
A2.5 Temperature-measuring device
A2.6 Relative humidity-measuring device
A2.7 Glass-encapsulated weights
A3 NATURE OF SAMPLES
A4 PRODUCT EXPOSURE
A4.1 In-the-product exposure
A4.2 Immersion exposure
A5 SAMPLE TRANSPORT AND STORAGE
A6 SAMPLE WASHING
A7 SPECIAL PRODUCTS
A8 CEMENTITIOUS PRODUCTS
A9 SITE-APPLIED MATERIALS
A9.1 Preparation of test panels
A9.2 Sealing compounds
A9.3 Curing
A9.4 Jointing compounds
A9.5 Solder fluxes
A9.6 Anaerobic adhesives
APPENDIX B - SCALING FACTORS—DERIVATION AND APPLICATION
B1 INTRODUCTION
B2 CALCULATION OF SCALING FACTORS
B3 EXAMPLES OF SCALING FACTOR CALCULATIONS
B3.1 Sealing gasket (immersion exposure)
B3.2 Sluice valve (in-the-product exposure)
B3.3 Domestic plumbing systems
B4 APPLICATION OF SCALING FACTOR
APPENDIX C - TEST METHOD—TASTE OF WATER EXTRACT
C1 SCOPE
C2 INTRODUCTION
C3 PRINCIPLE
C4 TEST PREMISES
C5 REAGENTS
C5.1 Test waters
C5.2 Sodium hypochlorite solution
C5.3 Distilled water
C6 APPARATUS
C6.1 Test containers
C6.2 Dilution beakers
C6.3 Water bath and incubator
C6.4 Tasting glass
C6.5 Glass-encapsulated weights
C7 SELECTION OF TASTE PANELLISTS
C7.1 Taste panel requirements
C7.2 Initial sensitivity test
C7.3 Regular assessment
C7.4 Personal logs
C8 CROSS-CONTAMINATION OF SAMPLES
C9 PROCEDURE
C9.1 Extraction
C9.2 Taste test dilutions
C9.3 Tasting procedure
C9.4 Extraction procedure using chlorinated water
C10 EXPRESSION OF RESULTS
C10.1 Validation
C10.2 Expression of results
C11 TEST REPORT
C12 LIST OF TASTES
APPENDIX D - TEST METHOD—APPEARANCE OF WATER EXTRACT
D1 SCOPE
D2 PRINCIPLE
D3 REAGENTS
D3.1 Test water
D3.2 Colour matching solutions
D3.3 Formazine solutions
D4 APPARATUS
D4.1 Laboratory ware
D4.2 Test containers
D4.3 Colour measurement apparatus
D4.4 Incubator
D4.5 Turbidity measurement apparatus
D4.6 Glass-encapsulated weights
D5 SAMPLES
D6 PROCEDURE
D6.1 General
D6.2 Further extracts
D7 MEASUREMENT OF COLOUR AND TURBIDITY
D8 CALCULATIONS
D9 TEST REPORT
APPENDIX E - TEST METHOD—GROWTH OF AQUATIC MICRO-ORGANISMS
E1 SCOPE
E2 INTRODUCTION
E3 PRINCIPLE
E4 TEST PREMISES
E5 SAFETY
E6 REAGENTS
E6.1 General
E6.2 Inoculum water
E6.3 Test water
E7 APPARATUS
E7.1 Test containers
E7.2 Dissolved oxygen meter
E7.3 Incubator/chamber
E7.4 Glass-encapsulated weights
E8 SAMPLES
E8.1 General requirements
E8.2 Reference materials
E9 TEST PROCEDURES
E9.1 Preparation of the test system
E9.2 Incubation
E9.3 Assessment of microbial growth
E9.4 Measurement of dissolved oxygen for lubricants and lubricated materials
E10 EXPRESSION OF RESULTS
E10.1 Calculation of results
E10.2 Validation of results
E10.3 Precision
E11 APPLICATION OF SCALING FACTOR
E12 TEST REPORT
APPENDIX F - TEST METHOD—CYTOTOXIC ACTIVITY OF WATER EXTRACT
F1 SCOPE
F2 PRINCIPLE
F3 TEST PREMISES
F4 REAGENTS
F4.1 Test water
F4.2 Distilled water
F4.3 Media
F4.4 Cell line
F5 APPARATUS
F5.1 Tissue-culture ware
F5.2 Haemocytometer counting chamber
F5.3 Test containers
F5.4 Incubators
F5.5 Glass-encapsulated weights
F6 TEST SAMPLES
F7 TEST PROCEDURE
F7.1 Introduction
F7.2 Maintenance of the cell line
F7.3 Preparation of cell suspension
F7.4 Extraction procedure
F7.5 Growth procedure
F7.6 Microscopic examination
F7.7 Expression of results
F8 TEST REPORT
APPENDIX G - TEST METHOD—MUTAGENIC ACTIVITY OF WATER EXTRACT
G1 SCOPE
G2 PRINCIPLE
G3 TEST PREMISES
G4 REAGENTS
G4.1 Test water
G4.2 Distilled water
G4.3 Resin columns
G4.4 Resin column eluent
G4.5 Resin column eluate replacement solvents
G4.6 Control mutagens
G4.7 Medium
G4.8 Bacteria
G5 APPARATUS
G5.1 Bacteria-culture ware
G5.2 Test containers
G5.3 Incubators
G5.4 Glass concentration columns
G5.5 Rotary evaporator
G5.6 Glass-encapsulated weights
G6 TEST SAMPLES
G7 TEST PROCEDURE
G7.1 Introduction
G7.2 Extraction procedure
G7.3 Test method
G7.4 Controls
G7.5 Interpretation of results
G8 TEST REPORT
APPENDIX H - TEST METHOD—EXTRACTION OF METALS
H1 SCOPE
H2 LIMIT OF DETECTION AND SENSITIVITY
H3 PRINCIPLE
H4 REAGENTS
H4.1 Test water
H4.2 Nitric acid
H4.3 Nitric acid
H5 APPARATUS
H5.1 Cleaning
H5.2 Test containers
H5.3 Bottles
H5.4 Incubator
H5.5 Glass-encapsulated weights
H6 TEST SAMPLES
H6.1 General requirements
H6.2 Number of tests
H7 PROCEDURE
H7.1 Extraction
H7.2 Determination of extracted metals
H8 EXPRESSION OF RESULTS
H9 TEST REPORT
APPENDIX I - TEST METHOD—METALS EXTRACTION TEST FOR END-OF-LINE FITTINGS
I1 SCOPE
I2 PRINCIPLE
I3 APPARATUS
I3.1 Testrig
I3.2 Measuring vessels
I4 REAGENTS
I4.1 Test water
I4.2 Trichloroethylene
I5 TEST FITTINGS
I5.1 General
I5.2 Number of tests
I6 TEST PROCEDURE
I7 RESULTS
I8 TEST REPORT
APPENDIX J - HIGH TEMPERATURE TESTS
J1 SCOPE
J2 PRINCIPLE
J3 APPARATUS
J3.1 Water bath or incubator
J4 SAMPLES
J5 TEST PROCEDURE
J5.1 Extraction temperature
J5.2 Extraction procedure
J5.3 Testing
J6 EXPRESSION OF RESULTS
J7 TEST REPORT
APPENDIX K - SUGGESTED PRODUCT SUBMISSION FORM
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AS/NZS 4020:1999 PRODUCTS FOR USE IN CONTACT WITH DRINKING WATER
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Anaerobic adhesive
3.2 Colour (true colour)
3.3 Composite product
3.4 Cytotoxic
3.5 Drinking water
3.6 End-of-line fitting
3.7 Extract (leachate)
3.8 Extract (leachate) water
3.9 Maximum holding water temperature
3.10 Mutagenic
3.11 Organoleptic
3.12 Product
3.13 Sample
3.14 Scaling factor
3.15 Taste panellist
3.16 Test water
3.17 Threshold dilution
3.18 Turbidity
3.19 Water fitting
4 TEST SAMPLES
4.1 Selection and preparation of samples
4.2 Range of product sizes
4.3 Product exposure
5 SCALING FACTORS
6 TEST REQUIREMENTS
6.1 General
6.2 Taste of water extract
6.3 Appearance of water extract
6.4 Growth of aquatic micro-organisms
6.5 Cytotoxic activity of water extract
6.6 Mutagenic activity of water extract
6.7 Extraction of metals
6.7.1 Products in general
6.7.2 End-of-line fittings
7 HOT WATER TESTS
APPENDIX A - SAMPLE PREPARATION
A1 SCOPE
A2 APPARATUS
A2.1 Paper storage bags
A2.2 Glass plates
A2.3 Copper alloy couplings
A2.4 Test container
A2.5 Temperature-measuring device
A2.6 Relative humidity-measuring device
A2.7 Glass-encapsulated weights
A3 NATURE OF SAMPLES
A4 PRODUCT EXPOSURE
A4.1 In-the-product exposure
A4.2 Immersion exposure
A5 SAMPLE TRANSPORT AND STORAGE
A6 SAMPLE WASHING
A7 SPECIAL PRODUCTS
A8 CEMENTITIOUS PRODUCTS
A9 SITE-APPLIED MATERIALS
A9.1 Preparation of test panels
A9.2 Sealing compounds
A9.3 Curing
A9.4 Jointing compounds
A9.5 Solder fluxes
A9.6 Anaerobic adhesives
APPENDIX B - SCALING FACTORS—DERIVATION AND APPLICATION
B1 INTRODUCTION
B2 CALCULATION OF SCALING FACTORS
B3 EXAMPLES OF SCALING FACTOR CALCULATIONS
B3.1 Sealing gasket (immersion exposure)
B3.2 Sluice valve (in-the-product exposure)
B3.3 Domestic plumbing systems
B4 APPLICATION OF SCALING FACTOR
APPENDIX C - TEST METHOD—TASTE OF WATER EXTRACT
C1 SCOPE
C2 INTRODUCTION
C3 PRINCIPLE
C4 TEST PREMISES
C5 REAGENTS
C5.1 Test waters
C5.2 Sodium hypochlorite solution
C5.3 Distilled water
C6 APPARATUS
C6.1 Test containers
C6.2 Dilution beakers
C6.3 Water bath and incubator
C6.4 Tasting glass
C6.5 Glass-encapsulated weights
C7 SELECTION OF TASTE PANELLISTS
C7.1 Taste panel requirements
C7.2 Initial sensitivity test
C7.3 Regular assessment
C7.4 Personal logs
C8 CROSS-CONTAMINATION OF SAMPLES
C9 PROCEDURE
C9.1 Extraction
C9.2 Taste test dilutions
C9.3 Tasting procedure
C9.4 Extraction procedure using chlorinated water
C10 EXPRESSION OF RESULTS
C10.1 Validation
C10.2 Expression of results
C11 TEST REPORT
C12 LIST OF TASTES
APPENDIX D - TEST METHOD—APPEARANCE OF WATER EXTRACT
D1 SCOPE
D2 PRINCIPLE
D3 REAGENTS
D3.1 Test water
D3.2 Colour matching solutions
D3.3 Formazine solutions
D4 APPARATUS
D4.1 Laboratory ware
D4.2 Test containers
D4.3 Colour measurement apparatus
D4.4 Incubator
D4.5 Turbidity measurement apparatus
D4.6 Glass-encapsulated weights
D5 SAMPLES
D6 PROCEDURE
D6.1 General
D6.2 Further extracts
D7 MEASUREMENT OF COLOUR AND TURBIDITY
D8 CALCULATIONS
D9 TEST REPORT
APPENDIX E - TEST METHOD—GROWTH OF AQUATIC MICRO-ORGANISMS
E1 SCOPE
E2 INTRODUCTION
E3 PRINCIPLE
E4 TEST PREMISES
E5 SAFETY
E6 REAGENTS
E6.1 General
E6.2 Inoculum water
E6.3 Test water
E7 APPARATUS
E7.1 Test containers
E7.2 Dissolved oxygen meter
E7.3 Incubator/chamber
E7.4 Glass-encapsulated weights
E8 SAMPLES
E8.1 General requirements
E8.2 Reference materials
E9 TEST PROCEDURES
E9.1 Preparation of the test system
E9.2 Incubation
E9.3 Assessment of microbial growth
E9.4 Measurement of dissolved oxygen for lubricants and lubricated materials
E10 EXPRESSION OF RESULTS
E10.1 Calculation of results
E10.2 Validation of results
E10.3 Precision
E11 APPLICATION OF SCALING FACTOR
E12 TEST REPORT
APPENDIX F - TEST METHOD—CYTOTOXIC ACTIVITY OF WATER EXTRACT
F1 SCOPE
F2 PRINCIPLE
F3 TEST PREMISES
F4 REAGENTS
F4.1 Test water
F4.2 Distilled water
F4.3 Media
F4.4 Cell line
F5 APPARATUS
F5.1 Tissue-culture ware
F5.2 Haemocytometer counting chamber
F5.3 Test containers
F5.4 Incubators
F5.5 Glass-encapsulated weights
F6 TEST SAMPLES
F7 TEST PROCEDURE
F7.1 Introduction
F7.2 Maintenance of the cell line
F7.3 Preparation of cell suspension
F7.4 Extraction procedure
F7.5 Growth procedure
F7.6 Microscopic examination
F7.7 Expression of results
F8 TEST REPORT
APPENDIX G - TEST METHOD—MUTAGENIC ACTIVITY OF WATER EXTRACT
G1 SCOPE
G2 PRINCIPLE
G3 TEST PREMISES
G4 REAGENTS
G4.1 Test water
G4.2 Distilled water
G4.3 Resin columns
G4.4 Resin column eluent
G4.5 Resin column eluate replacement solvents
G4.6 Control mutagens
G4.7 Medium
G4.8 Bacteria
G5 APPARATUS
G5.1 Bacteria-culture ware
G5.2 Test containers
G5.3 Incubators
G5.4 Glass concentration columns
G5.5 Rotary evaporator
G5.6 Glass-encapsulated weights
G6 TEST SAMPLES
G7 TEST PROCEDURE
G7.1 Introduction
G7.2 Extraction procedure
G7.3 Test method
G7.4 Controls
G7.5 Interpretation of results
G8 TEST REPORT
APPENDIX H - TEST METHOD—EXTRACTION OF METALS
H1 SCOPE
H2 LIMIT OF DETECTION AND SENSITIVITY
H3 PRINCIPLE
H4 REAGENTS
H4.1 Test water
H4.2 Nitric acid
H4.3 Nitric acid
H5 APPARATUS
H5.1 Cleaning
H5.2 Test containers
H5.3 Bottles
H5.4 Incubator
H5.5 Glass-encapsulated weights
H6 TEST SAMPLES
H6.1 General requirements
H6.2 Number of tests
H7 PROCEDURE
H7.1 Extraction
H7.2 Determination of extracted metals
H8 EXPRESSION OF RESULTS
H9 TEST REPORT
APPENDIX I - TEST METHOD—METALS EXTRACTION TEST FOR END-OF-LINE FITTINGS
I1 SCOPE
I2 PRINCIPLE
I3 APPARATUS
I3.1 Testrig
I3.2 Measuring vessels
I4 REAGENTS
I4.1 Test water
I4.2 Trichloroethylene
I5 TEST FITTINGS
I5.1 General
I5.2 Number of tests
I6 TEST PROCEDURE
I7 RESULTS
I8 TEST REPORT
APPENDIX J - HIGH TEMPERATURE TESTS
J1 SCOPE
J2 PRINCIPLE
J3 APPARATUS
J3.1 Water bath or incubator
J4 SAMPLES
J5 TEST PROCEDURE
J5.1 Extraction temperature
J5.2 Extraction procedure
J5.3 Testing
J6 EXPRESSION OF RESULTS
J7 TEST REPORT
APPENDIX K - SUGGESTED PRODUCT SUBMISSION FORM
AS/NZS 4020:1999
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.