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Proposed Topics for Application of Sediment Quality Objectives

This document outlines proposed topics for sediment quality objectives (SQO) policy, covering scope, definitions, methodology, assessment methods, enforcement standards, and more. It includes key terms, a conceptual model, objective overviews, and assessment methodologies. It discusses SQO application in various scenarios and regulatory provisions.

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Proposed Topics for Application of Sediment Quality Objectives

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  1. Proposed Topics for Application of Sediment Quality Objectives

  2. Purpose of Document • Describe major topics for consideration in proposed SQO policy • Scope and limitations • What SQOs do & do not apply to • Application guidance • Methodology • Assessment and management • Enforcement and special conditions

  3. Elements • Definitions and key terms • Conceptual model of contaminant exposure • Overview of objectives • Methodology for assessing sediment quality • Application summaries • Enforcement standards • Special conditions • Review of objectives

  4. Definitions and Key Terms • Provide a common understanding of key terms used in framework • Bays and estuaries • Sediment • Beneficial uses • Benthos • Acute and chronic toxicity

  5. Conceptual Model • Describe key pathways and processes for sediment contaminant impacts on organisms • Describe relationship of SQOs to biological impact mechanisms

  6. Overview of Objectives • Focus of objectives • Ecosystem components to be protected • Applicable habitats • Narrative objectives • Purpose • Description of use • Numeric objectives • Purpose • Description of use

  7. Methodology for Assessing Sediment Quality • Provide comparable and reliable measures of sediment quality • Guidance manuals • Field sampling • Chemistry • Toxicity • Bioaccumulation potential • Benthic community impacts • Information management

  8. Application Summaries Describe relevant SQOs, method of use, and management actions for specific applications: • 303(d) and 305(c) assessments • Sediment cleanup • Dredge/fill material assessment • Discharge monitoring

  9. Regulatory Provisions

  10. Special Conditions • Sediment Management Zones • Sediment Recovery Zones

  11. Review of Objectives • Timing • Process • Factors considered

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