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APPENDIX B COASTAL STATE SURVEY OF CONTAMINATED MARINE SEDIMENTS Introduction A variety of classification techniques (see attachment) are employed or under development at the federal level for determining when marine sediments are sufficiently contaminated to justify or require action. These techniques include: 1) The hazard ranking system for specifying inactive hazardous waste sites for inclusion on the Superfund National Priorities List; 2) The "Sediment Triad" and "Apparent Effects Threshold" (AET) Methods; 3) The "Equilibrium Partitioning" Approach; 4) Solid Phase Bioassay Procedures; and 5) Screening Level Concentration Approach. Purpose This survey is being conducted to determine 1) how states classify and characterize contaminated sediments and 2) the nature and extent of contaminated marine sediments in each state. Survey Questions 1. Please LIST the estuarine or ocean locations or sites, if any, in your state which are believed to contain contaminated marine sediments, based on any of the following: a. Proposed final listing on the Superfund National Priorities List; Proposed or final listing on a state registry of inactive hazardous waste sites; Identification as a toxic pollutant "hot spot" under Section 308 of the Water Quality Act of 1987; Any other classification technique employed by the state to identify or categorize contaminated marine sediments. 486
487 2. For each site or location listed in response to question #1, please INDICATE if a classification methodist was employed, and PROVIDE a DESCRIPTION of each method referenced (feel free to enclose separate documents describing these methods. 3. How comprehensively do you believe the listing provided in response to question #1 covers areas in your state containing contaminated marine sediments? Please SELECT one of the following: (a) very comprehensively; (b) coverage is very incomplete; (c) coverage is partial (intermediate between (a) and (b); and _ (d) don't know or unable to evaluate. 4. Please STATE your view of the mayor strengths and weaknesses of the classification techniques referenced in your response to question #2. 5. Are there other classification techniques known to you--whether or not in use in your state--for identifying or categorizing contaminated marine sediments? If so, please IDENTIFY and/or DESCRIBE such techniquefs). Please feel free to enclose documents that describe these methods. 6. Please IDENTIFY coastal areas which you believe may be significantly contaminated, but have not been adequately studied. 7. Please SUMMARIZE or ENCLOSE documents describing methods or criteria to evaluate sediments that are proposed for dredging. Please attach or enclose additional sheets or documents as required. Thank you very much for your cooperation. RESPONSES SHOULD BE SENT, ON OR BEFORE APRIL 20, 1988, IF POSSIBLE, TO THE FOLLOWING ADDRESS: Ms. Celia Chen Marine Board, Room OF 250 National Research Council 2101 Constitution Avenue Washington, DC 20418
