Standardized Product Definition and Product Testing Guidelines for ...

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Table of Contents
OWNERSHIP AND COPYRIGHT NOTICE 2
Foreword 5
Table of Contents 7
1 Scope 8
2 Terms and Definitions 9
3 Biomass Feedstock Material and Biochar Production 9
3.1 General Feedstock Material Requirements 9
3.2 General Biochar Production and Material Handling Recommendations 9
4 Biochar Material Test Categories and Characteristics 10
4.1 Test Category A – Basic Utility Properties 11
4.2 Test Category B - Toxicant Reporting 13
4.3 Test Category C - Advanced Analysis and Soil Enhancement Properties 15
5 Product Labeling and Documentation 15
5.1 Labeling Instructions 16
5.2 Product Information Requirements 16
5.3 Conformity and Record Keeping 16
5.4 Chain of Custody 16
6 Testing Protocols 17
6.1 Laboratory Standards 17
6.2 Timing and Frequency of Testing 17
6.3 Category B Test Requirements for Unprocessed Feedstocks 18
7 References 19
Appendix 1 – Sample Biochar Label 22
Appendix 2 – Recommended General Sample Analysis Procedures and
Protocols for Specific Tests 24
Appendix 3 – Toxicant Assessment and Determination of Thresholds 28
Appendix 4 – Determining a “Material Change” in Feedstock 30
Appendix 5 – The Use of H:C org to Indicate C Stability 33
Appendix 6 – Glossary 36
Appendix 7 – Creative Commons License 42
Standardized Product Definition and Product Testing Guidelines for Biochar That Is Used in Soil 7