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Module 2: Hazardous Waste Guidelines

1. Introduction

2. The Waste Acceptance Criteria and Landfill Classification System

3. Landfill Waste Acceptance Criteria

4. Landfill Classification

5. Liquid Waste Definition

6. Prohibited Wastes

7. Model Resource Consent Conditions

Appendix A: Total concentration and leachability limits for Class A and Class B landfills

Appendix B: Materials not covered by this guideline

Appendix C: Development of total concentration and leachability limits for Class A and Class B landfills

Appendix D: Landfill classification - Class A requirements

Appendix E: Assessing alternative solutions for Class A landfills

Appendix F: Worked examples

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Appendix A: Total concentration and leachability limits for Class A and Class B landfills

Leachability limits

View leachability limits (large table)

Total concentration limits

	Cas no.¹	Class A landfills total concentration (mg/kg)	Class B landfills total concentration (mg/kg)
Organic contaminants
Benzo(a)pyrene	50-32-8	300²	30
Carcinogenic PAHs as Benzo(a)pyrene equivalent	NA	300²	30
Heptachlor epoxide	1024-57-3	1,500²	150
DDE	3547-04-4	500²	50
DDT	50-29-3	500²	50

Chemical Abstracts Service Registry Number - a unique identifier that tells you, for example, that acetone and dimethyl ketone are actually the same substance.
Derived from the concentration at which free product will be present in leachate.

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