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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Implementation Memorandum #11: Dioxins, Furans, and Dioxin-Like PCB Congeners: Addressing Non-Detects and Establishing PQLs for Ecological Risk Assessments in Upland Soil |
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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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| Author(s) | Arthur Buchan | ||||
| 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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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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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 | ||||
| RELATED PUBLICATIONS | Title:
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 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 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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