NZS 4454:2005
Composts, soil conditioners and mulches
Prescribes compositional requirements, compliance requirements, sampling and testing methods for composts, soil conditioners and mulches. Based on the equivalent Australian Standard, AS 4454:2003, the labelling requirements have been modified to fall in line with the guidelines issued by the Ministry of Health for potting mixes. Limits for heavy metal contaminants and organic contaminant residues have been included in alignment with the interim values of the Biosolids Guidelines issued by the New Zealand Water and Wastes Association, 2003 (Classification a, Table 4.2 of the guidelines). Limits for indicator organisms, have been included to ensure microbiological quality of certain categories of products.
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
COPYRIGHT
CONTENTS
REFERENCED DOCUMENTS
REVIEW OF STANDARDS
LEGAL STATEMENT
FOREWORD
1 SCOPE AND GENERAL
1.1 Scope
1.2 Application
1.3 Objective
1.4 Definitions
1.5 Notation
1.6 Interpretation
2 GENERAL REQUIREMENTS
2.1 Containment of pathogens and propagules
2.2 Product classification
2.3 Process criteria
2.4 Sampling of material
2.5 Microbiological sampling
2.6 Product testing
2.7 Product analysis
3 PACKAGING, MARKING AND DOCUMENTATION
3.1 Packages and bulk products
3.2 Required marking or documentation
3.3 Required marking – conditional upon product claims or test results
APPENDIX A METHODS FOR DETERMINATION OF PH, ELECTRICAL CONDUCTIVITY, AND AMMONIUM (NH4 +), NITRATE (NO3 ) AND SOLUBLE PHOSPHORUS CONTENT
APPENDIX B METHOD FOR DETERMINATION OF CARBON AND NITROGEN CONTENT
APPENDIX C METHOD FOR DETERMINATION OF TOTAL PHOSPHORUS, BORON, CALCIUM, MAGNESIUM AND SODIUM CONTENT
APPENDIX D METHOD FOR DETERMINATION OF TOXICITY TO PLANTS
APPENDIX E METHOD FOR DETERMINATION OF PARTICLE SIZE GRADING
APPENDIX F METHOD FOR DETERMINATION OF MOISTURE CONTENT
APPENDIX G METHOD FOR THE MEASUREMENT OF VOLUME AND MASS
APPENDIX H METHOD FOR CLASSIFYING A PRODUCT AS SPENT MUSHROOM SUBSTRATE (COMPOST)
APPENDIX J METHOD FOR INDICATING THE LIKELY PRESENCE OF PLANT PROPAGULES IN PASTEURISED PRODUCTS AND VERMICAST
APPENDIX K BEST PRACTICE GUIDELINES FOR COMPOSTING SYSTEMS
APPENDIX L BEST PRACTICE GUIDELINES FOR VERMICULTURE SYSTEMS
APPENDIX M MEANS OF DEMONSTRATING COMPLIANCE WITH THIS STANDARD
APPENDIX N METHOD FOR DETERMINATION OF PLANT GROWTH INDEX
APPENDIX P METHOD FOR DETERMINATION OF LEVEL OF VISIBLE CONTAMINATION
APPENDIX Q METHOD FOR DETERMINING IF A MATERIAL DESCRIBED AS VERMICAST IS SUFFICIENTLY UNCONTAMINATED WITH LARGE PARTICLES
Table 2.1 – Sample size, container type and testing time frames
Table 3.1 – Physical, chemical and biological requirements for composts, mulches and soil conditioners
Table 3.2 – Maximum application rate of product with different salinities for plants of different sensitivities to salinity
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References
Organic production
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
COPYRIGHT
CONTENTS
REFERENCED DOCUMENTS
REVIEW OF STANDARDS
LEGAL STATEMENT
FOREWORD
1 SCOPE AND GENERAL
1.1 Scope
1.2 Application
1.3 Objective
1.4 Definitions
1.5 Notation
1.6 Interpretation
2 GENERAL REQUIREMENTS
2.1 Containment of pathogens and propagules
2.2 Product classification
2.3 Process criteria
2.4 Sampling of material
2.5 Microbiological sampling
2.6 Product testing
2.7 Product analysis
3 PACKAGING, MARKING AND DOCUMENTATION
3.1 Packages and bulk products
3.2 Required marking or documentation
3.3 Required marking – conditional upon product claims or test results
APPENDIX A METHODS FOR DETERMINATION OF PH, ELECTRICAL CONDUCTIVITY, AND AMMONIUM (NH4 +), NITRATE (NO3 ) AND SOLUBLE PHOSPHORUS CONTENT
APPENDIX B METHOD FOR DETERMINATION OF CARBON AND NITROGEN CONTENT
APPENDIX C METHOD FOR DETERMINATION OF TOTAL PHOSPHORUS, BORON, CALCIUM, MAGNESIUM AND SODIUM CONTENT
APPENDIX D METHOD FOR DETERMINATION OF TOXICITY TO PLANTS
APPENDIX E METHOD FOR DETERMINATION OF PARTICLE SIZE GRADING
APPENDIX F METHOD FOR DETERMINATION OF MOISTURE CONTENT
APPENDIX G METHOD FOR THE MEASUREMENT OF VOLUME AND MASS
APPENDIX H METHOD FOR CLASSIFYING A PRODUCT AS SPENT MUSHROOM SUBSTRATE (COMPOST)
APPENDIX J METHOD FOR INDICATING THE LIKELY PRESENCE OF PLANT PROPAGULES IN PASTEURISED PRODUCTS AND VERMICAST
APPENDIX K BEST PRACTICE GUIDELINES FOR COMPOSTING SYSTEMS
APPENDIX L BEST PRACTICE GUIDELINES FOR VERMICULTURE SYSTEMS
APPENDIX M MEANS OF DEMONSTRATING COMPLIANCE WITH THIS STANDARD
APPENDIX N METHOD FOR DETERMINATION OF PLANT GROWTH INDEX
APPENDIX P METHOD FOR DETERMINATION OF LEVEL OF VISIBLE CONTAMINATION
APPENDIX Q METHOD FOR DETERMINING IF A MATERIAL DESCRIBED AS VERMICAST IS SUFFICIENTLY UNCONTAMINATED WITH LARGE PARTICLES
Table 2.1 – Sample size, container type and testing time frames
Table 3.1 – Physical, chemical and biological requirements for composts, mulches and soil conditioners
Table 3.2 – Maximum application rate of product with different salinities for plants of different sensitivities to salinity
STANDARDS COUNCIL APPROVAL
NZS 4454:2005
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.