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This document outlines key aspects of the Sediment Quality Objectives (SQOs) policy, including scope, methodology, assessment, and enforcement standards. It covers definitions, conceptual models of contaminant exposure, and application summaries. Additionally, it explains the overview and methodology for assessing sediment quality, relevant regulatory provisions, special conditions, and the review process of objectives.
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Proposed Topics for Application of Sediment Quality Objectives
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
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
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
Conceptual Model • Describe key pathways and processes for sediment contaminant impacts on organisms • Describe relationship of SQOs to biological impact mechanisms
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
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
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
Special Conditions • Sediment Management Zones • Sediment Recovery Zones
Review of Objectives • Timing • Process • Factors considered