Proposed Topics for Application of Sediment Quality Objectives

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Proposed Topics for Application of Sediment
Quality Objectives
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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

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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

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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

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Conceptual Model

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

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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

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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

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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

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Regulatory Provisions
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Special Conditions

• Sediment Management Zones
• Sediment Recovery Zones

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Review of Objectives

• Timing
• Process
• Factors considered