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Grenfell Investigation Into Potential Land Contamination Impacts Grenfell Investigation into Potential Land Contamination Impacts Technical Note 8: COPC Toxicity Royal Borough of Kensington and Chelsea Project number: 60595731 30 September 2019 Grenfell Investigation into Potential Land Contamination Impacts Project number: 60595731 Quality information Prepared by Checked by Verified by Approved by Sarah Lynch Lawrence Bowden David Dyson Liz Philp Geo-environmental Technical Director Associate Technical Director Consultant Simon Cole Technical Director Revision History Revision Revision date Details Authorized Name Position 0 1 July 2019 Draft Liz Philp Technical Director 1 30 August 2019 Revision 1 Liz Philp Technical Director 2 30 Sept 2019 Final Liz Philp Technical Director Distribution List # Hard Copies PDF Required Association / Company Name Nil PDF MHCLG for distribution Prepared for: Royal Borough of Kensington and Chelsea AECOM Grenfell Investigation into Potential Land Contamination Impacts Project number: 60595731 Prepared for: Royal Borough of Kensington and Chelsea Prepared by: AECOM Infrastructure & Environment UK Limited Sunley House 4 Bedford Park, Surrey Croydon CRO 2AP United Kingdom T: +44 20 8639 3500 aecom.com © 2019 AECOM Infrastructure & Environment UK Limited. All Rights Reserved. This document has been prepared by AECOM Infrastructure & Environment UK Limited (“AECOM”) for sole use of our client (the “Client”) in accordance with generally accepted consultancy principles, the budget for fees and the terms of reference agreed between AECOM and the Client. Any information provided by third parties and referred to herein has not been checked or verified by AECOM, unless otherwise expressly stated in the document. No third party may rely upon this document without the prior and express written agreement of AECOM. Prepared for: Royal Borough of Kensington and Chelsea AECOM Grenfell Investigation into Potential Land Contamination Impacts Project number: 60595731 Table of Contents 1. Glossary of Key Terms ............................................................................................................. 6 2. Introduction.............................................................................................................................. 7 2.1 Objectives ...................................................................................................................... 8 2.2 Scope of Work ............................................................................................................... 8 2.3 Legislative context and guidance documentation ............................................................ 8 2.4 Background to health based guidance values and generic screening criteria .................. 9 2.4.1 Health Based Guidance Values and the Risk Assessment Process ................................ 9 2.4.2 Generic Screening Criteria (GSC) ................................................................................ 10 3. Chlorinated Dioxins, Furans and Dioxin-like PCBs ................................................................. 13 3.1 Health Effects and Health Based Guidance Values ....................................................... 13 3.2 Generic Screening Criteria ........................................................................................... 16 4. Brominated Dioxins and Furans (and mixed halogenated dioxins and furans)......................... 17 4.1 Health Effects and Health Based Guidance Values ....................................................... 17 4.2 Generic Screening Criteria ........................................................................................... 18 5. Polycyclic aromatic hydrocarbons .......................................................................................... 18 5.1 Health Effects and Health Based Guidance Values ....................................................... 18 5.2 Generic Screening Criteria ........................................................................................... 20 6. Benzene ................................................................................................................................ 23 6.1 Health Effects and Health Based Guidance Values ....................................................... 23 6.2 Generic Screening Criteria ........................................................................................... 24 7. Non dioxin-like PCBs ............................................................................................................. 25 7.1 Health Effects and Health Based Guidance Values ....................................................... 25 7.2 Generic Screening Criteria ........................................................................................... 26 8. Cyanide ................................................................................................................................. 27 8.1 Health Effects and Health Based Guidance Values ....................................................... 27 8.2 Generic Screening Criteria ........................................................................................... 29 9. Asbestos fibres ...................................................................................................................... 29 9.1 Health Effects and Health Based Guidance Values ....................................................... 29 9.2 Generic Screening Criteria ........................................................................................... 30 10. Synthetic vitreous fibres ......................................................................................................... 31 10.1 Health Effects and Health Based Guidance Values ....................................................... 31 11. Lead ...................................................................................................................................... 31 11.1 Health Effects and Health Based Guidance Values ....................................................... 31 11.2 Generic Screening Criteria ........................................................................................... 33 12. Isocyanates ........................................................................................................................... 33 12.1 Health Effects and Health Based Guidance Values ....................................................... 33 12.2 Generic Screening Criteria ........................................................................................... 35 13. Organo-phosphate ester flame retardants .............................................................................. 35 13.1 Health Effects and Health Based Guidance Values ....................................................... 35 13.2 Generic Screening Criteria ........................................................................................... 37 14. Brominated flame retardants .................................................................................................. 37 14.1 Polybrominated Diphenyl Ethers (PBDEs) .................................................................... 38 14.1.1Health Effects and Health Based Guidance Values ....................................................... 38 14.1.2Generic Screening Criteria ........................................................................................... 40 14.2 Polybrominated Biphenyls (PBBs) ................................................................................ 41 14.2.1Health Effects and Health Based Guidance Values ....................................................... 41 14.2.2Generic Screening Criteria ........................................................................................... 42 14.3 Tetrabromobisphenol A ................................................................................................ 42 14.3.1Health Effects and Health Based Guidance Values ....................................................... 42 Prepared for: Royal Borough of Kensington and Chelsea AECOM Grenfell Investigation into Potential Land Contamination Impacts Project number: 60595731 14.3.2Generic Screening Criteria ........................................................................................... 42 14.4 Hexabromocyclododecane ........................................................................................... 42 14.4.1Health Effects and Health Based Guidance Values ....................................................... 42 14.4.2Generic Screening Criteria ........................................................................................... 43 15. Conclusions ........................................................................................................................... 44 16. References ............................................................................................................................ 45 Appendix TN08-A: Web Search ..................................................................................................... 51 Appendix TN08-B: Summary of Evidence Identified .................................................................... 53 Appendix TN08-C: Evidence Extraction ....................................................................................... 81 Tables Table TN08-01. Glossary of Key Terms ............................................................................................. 6 Table TN08-02. Published Health-based Guideline Values .............................................................. 14 Table TN08-03. Recommended
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