Ecology Publications & Forms
Implementation Memorandum #11: Dioxins, Furans, and Dioxin-Like PCB Congeners: Addressing Non-Detects and Establishing PQLs for Ecological Risk Assessments in Upland Soil
Implementation Memorandum #11: Dioxins, Furans, and Dioxin-Like PCB Congeners: Addressing Non-Detects and Establishing PQLs for Ecological Risk Assessments in Upland Soil (Number of pages: 14) (Publication Size: 3537KB)
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|Description||This memorandum is an interpretation from the Washington State Department of Ecology for: 1) Evaluating detection limits and non-detects for the purposes of summing congeners for site evaluations; and 2) Establishing a PQL for dioxin-like congeners, specifically for a) Chlorinated dibenzo-p-dioxins (PCDDs), b) Chlorinated dibenzofurans (PCDFs), and c) Dioxin-like polychlorinated biphenyls (PCBs). This memorandum addresses Ecological Risk Assessment and the Terrestrial Ecological Evaluation under MTCA WAC 173-340-7490 through -7494.|
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|Contact||Policy & Technical Support Unit, Toxics Cleanup Program at 360-407-7170|
|Keywords||Furans, terrestrial environmental evaluation, dioxins, Model Toxics Control Act (MTCA), PCBs, MTCA|
|WEB PAGE||Policies and guidance for site cleanups|
Draft Technical Document: Terrestrial Ecological Evaluations under the Model Toxics Control Act
Implementation Memorandum No. 13: Dioxins, Furans, and Dioxin-Like PCB Congeners: Ecological Risk Calculation Methodology for Upland Soil
Implementation Memorandum #12: When to Use EPA Method 1668 for PCB Congener Analyses
Model Toxics Control Act Regulation and Statute: MTCA Cleanup Regulation Chapter 173-340 WAC, Model Toxics Control Act Chapter 70.105D RCW, Uniform Environmental Covenants Act Chapter 64.70 RCW
Concise Explanatory Statement and Responsiveness Summary for the Amendment of Chapter 173-340 WAC, Model Toxics Control Act Cleanup Regulation
Concise Explanatory Statement for the Amendments to the Model Toxics Control Act (MTCA) Cleanup Regulation
Guidance on Sampling and Data Analysis Methods
Statistical Guidance for Ecology Site Managers
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