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Interim Guideline on the Assessment and Management of ...

Guideline . PAPER. Interim Guideline on the Assessment and Management of perfluoroalkyl and polyfluoroalkyl Substances ( pfas ). Contaminated Sites Guidelines Version: Final February 2016. 1. Department of Environment Regulation Produced and published by Department of Environment Regulation 168 St Georges Terrace, Perth, Western Australia February 2016. Copyright State of Western Australia 2016. All material is the copyright of the State of Western Australia. Permission is not given for any commercial use or sale of this material. No part of the contents of the publication may be reproduced by any process, electronic or otherwise, distributed, adapted, broadcast, performed in public or communicated to the public without the written consent of the Department of Environment Regulation, except as permitted under the Copyright Act 1968.

PAPER 1 Interim Guideline on the Assessment and Management of Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Contaminated Sites Guidelines

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1 Guideline . PAPER. Interim Guideline on the Assessment and Management of perfluoroalkyl and polyfluoroalkyl Substances ( pfas ). Contaminated Sites Guidelines Version: Final February 2016. 1. Department of Environment Regulation Produced and published by Department of Environment Regulation 168 St Georges Terrace, Perth, Western Australia February 2016. Copyright State of Western Australia 2016. All material is the copyright of the State of Western Australia. Permission is not given for any commercial use or sale of this material. No part of the contents of the publication may be reproduced by any process, electronic or otherwise, distributed, adapted, broadcast, performed in public or communicated to the public without the written consent of the Department of Environment Regulation, except as permitted under the Copyright Act 1968.

2 Disclaimer The information contained in this document is provided by the Department of Environment Regulation in good faith. However, there is no guarantee of the accuracy of the information contained in this document and it is the responsibility of users to make their own enquiries as to its accuracy, currency, relevance and correctness. The State of Western Australia and Department of Environment Regulation and their servants and agents expressly disclaim liability, in negligence or otherwise, for any act or omission occurring in reliance on the information contained in this document, or for any incident or consequential loss or damage of such act or omission.

3 The State of Western Australia is committed to providing quality information and has made every attempt to ensure the accuracy, currency, reliability and correctness of the information contained in this document. However, changes in circumstances and legislation after the time of publication may impact on the correctness or quality of this information. In addition the accuracy, currency, reliability and correctness of links or references to information sources referred to or provided by third parties is outside the control of the State of Western Australia and it is therefore the responsibility of the user to make their own decisions on information found on those external sites.

4 Confirmation of any of the information provided in this document may be sought from the relevant originating bodies or the department providing the information; however, users of this material should verify all relevant representations, statements and information with their own professional advisers. The State of Western Australia and Department of Environment Regulation reserve the right to amend the content of this document at any time without notice. The information contained in this document is general. It does not constitute, and should be not relied on as, legal advice.

5 The State of Western Australia recommends that users of this information seek advice from a qualified lawyer on the legal issues affecting them before relying on this information or acting on any legal matter. Questions regarding this report should be directed to: Department of Environment Regulation Locked Bag 33 Cloisters Square PERTH WA 6850. Phone: +61 8 6467 5000. Fax: +61 8 6467 5562. Email: Web: Accessibility: this document is available in alternative formats and languages upon request. Interim Guideline on the Assessment and Management of perfluoroalkyl and polyfluoroalkyl Substances ( pfas ) i Department of Environment Regulation Contents 1 Purpose.

6 1. 2 Introduction ..2. 3 Scope ..2. 4 Overview ..3. 5 Site Assessment ..5. Conceptual Site Model .. 5. Fate and Transport in the Environment .. 7. Occurrence in the Australian Environment .. 8. Sampling and Analysis Quality Plans .. 9. Laboratory Analysis .. 9. Interim Screening 10. 6 Management of pfas -impacted Sites ..12. Source and Affected 12. Affected Sites Developments Undertaken by Persons not Responsible for the Remediation of the Affected Area .. 12. 7 Remediation and Management ..13. 13. Waste Disposal .. 15. Bibliography ..16. Appendix 1. pfas -specific Sample Collection Methods, Equipment, and Equipment Decontamination Methods.

7 20. Groundwater Well Drilling, Development, and Sampling .. 23. Soil Drilling and Aquatic Sampling .. 24. pfas -specific Sample Handling and Processing Methods .. 25. pfas -specific Laboratory Analysis 26. Interim Guideline on the Assessment and Management of perfluoroalkyl and polyfluoroalkyl Substances ( pfas ) ii Department of Environment Regulation 1 Purpose perfluoroalkyl and polyfluoroalkyl substances ( pfas ) are a family of manufactured chemicals which do not occur naturally in the environment. Perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) are two of the most well-known pfas and are contaminants of emerging concern in Australia and internationally.

8 They have been identified in the environment at a number of known and suspected contaminated sites in Western Australia. pfas have been detected worldwide in fauna, ecosystems and humans since first use in the 1950s (Danish EPA 2013 and 2015). The purpose of this Guideline is to provide guidance on the Assessment and Management of pfas within the legislative framework provided by the Contaminated Sites Act 2003 (CS Act) and the Contaminated Sites Regulations 2006 (CS. Regulations), and the national site Assessment framework provided in the National Environment Protection ( Assessment of Site Contamination) Measure 1999 (NEPM).

9 This Guideline should be read in conjunction with the Department of Environment Regulation's (DER) Contaminated sites Guideline Assessment and Management of contaminated sites (DER 2014). This document includes guidance on: the Assessment and Management of pfas contamination;. the Assessment of risks to human health, the environment and environmental values;. the availability and derivation of generic Assessment levels; and remediation and Management of pfas impacted sites. This Guideline has been prepared to assist environmental practitioners, including environmental consultants and auditors, when planning and implementing the Assessment and Management of contaminated sites.

10 It will also assist when preparing reports to be submitted to DER and accredited contaminated site auditors under the CS Act and the CS Regulations. It may also be useful for other purposes, such as due diligence assessments. However, it may be necessary to discuss site-specific circumstances with DER, refer directly to the CS Act and CS Regulations and/or seek specific legal advice. Interim Guideline on the Assessment and Management of perfluoroalkyl and polyfluoroalkyl Substances ( pfas ) 1. Department of Environment Regulation 2 Introduction DER has prepared this Guideline to help landowners, industry, consultants, auditors and other interested parties understand the specific requirements for pfas when investigating/assessing and remediating/managing contaminated sites in WA.


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