Table 2. Information Sources for Risk Assessment Within the Dredged Material Management Program

Table 2

Information Sources for Risk Assessment Within the Dredged Material Management Program

Site Selection Report and

Associated Environmental

Tier I

Tier II

Tier III

Tier IV

Reports

Type of Information Available

Predictive Models

Sensitive Habitats or

to Assess Physical

Species, Commercially

Transport and

Important Species Using

Water Column

Water Quality

the Site, Recreational or

Toxicity;

Chronic Sublethal

Impacts;

Characterize

Commercial Uses of the

Sediment Toxicity;

Sediment;

Theoretical

Site, Types of Biological

Risk Assessment

Steady-State

Bioaccumulation

Selection of

Bioaccumulation

Communities Nearby,

Component

Bioaccumulation

Testing

COCs

Model

Describing Technology

Identify receptors

Hazard identification

Identify COCs

Toxicity assessment

Exposure assessment

Risk characterization

Uncertainty

= information is available for use in a particular section of risk assessment.