Guidelines for the Protection of Aquatic Life: Protocol for the

0,31

MB

Derivation of Canadian Sediment Quality

35

stron

3899

ID

Environment Canada

2006

rok

Contents

Abstract 1

Résumé.2

Acknowledgments 2

Preface2

Glossary4

1. The derivation of Canadian sediment quality guidelines for the protection of aquatic life5

Introduction.5

Canadian perspective 5

Guiding principles.6

Overview of guideline development 7

Literature search and evaluation 7

Background concentrations of natural substances .7

Derivation of guidelines.9

Guideline derivation procedures9

The National Status and Trends Program approach.10

Evaluation of toxicological data .10

Minimum data set requirements .11

Derivation of guidelines .12

The spiked-sediment toxicity test approach 12

Minimum data set requirements .12

Derivation of guidelines .13

Interim sediment quality guidelines adopted from other jurisdictions. 13

Recommendation of Canadian sediment quality guidelines 13

The role of sediment quality guidelines 14

2. The use of sediment quality guidelines as benchmarks. 15

Introduction. 15

Application of sediment quality guidelines as benchmarks 16

A generic example 16

Water and land use activities. 16

Existing sediment chemistry data 18

Supplemental sediment chemistry data . 18

The potential for adverse biological effects . 19

Background concentrations of natural substances. 19

Biological assessment 20

Management options . 22

Appendix A. The National Status and Trends Program approach 22

Appendix B. The spiked-sediment toxicity test approach 28

Appendix C. Derivation of safety factors . 29

References 32