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Published byEustace Carr Modified over 9 years ago
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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
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