Sustainability considerations have become widely recognised in contaminated land management and are now accepted as an important component of remediation planning and implementation around the world. The Sustainable Remediation Forum for the UK (SuRF-UK) published guidance on sustainability criteria for consideration in drawing up (or framing) assessments, organised across 15 “headline” categories, five for the environment element of sustainability, five for the social, and five for the economic. This paper describes how the SuRF-UK indicator guidance was developed, and the rationale behind its structure and approach. It describes its use in remediation option appraisal in the UK, and reviews the international papers that have applied or reviewed it. It then reviews the lessons learned from its initial use and the opinions and findings of international commentators, and concludes with recommendations on how the indicator categories might be further refined in the future. The key findings of this review are that the SuRF-UK framework and indicator guidance is well adopted into practice in the UK. It is widely recognised as the most appropriate mechanism to support sustainability-based decision making in contaminated land decision making. It has influenced the development of other national and international guidance and standards on sustainable remediation. However, there is room for some fine tuning of approach based on the lessons learned during its application.
The scale of land-contamination problems, and of the responses to them, makes achieving sustainability in contaminated land remediation an important objective. The Sustainable Remediation Forum in the UK (SuRF-UK) was established in 2007 to support more sustainable remediation practices in the UK. The prevailing international consensus is that risk assessment is the most rational approach for determining remediation needs and urgency. Sustainability in this context is related to the effective delivery of whatever risk management is necessary to protect human health or the wider environment. SuRF-UK suggests that decisions made at the project planning stage, and also in the choice of remediation approach used to reach particular objectives decided upon, are both opportunities for sustainability gain. In 2011, SuRF-UK issued a set of wide-ranging indicators to support sustainability assessments made during project planning and remediation option appraisal. This advice was reviewed over 2018-2020 and new guidance on process and indicators has been released. Within this guidance, SuRF-UK has provided a checklist of possible sustainability indicators/criteria that can be used to benchmark the scope of sustainability assessment for remediation projects. These indicators are divided into 15 overarching ("headline") categories, divided in a balanced way across the three elements of sustainability: environmental (emissions to air, soil and ground conditions, groundwater and surface water, ecology, and natural resources and waste); social (human health and safety, ethics and equity, neighborhoods and locality, communities and community involvement, and uncertainty and evidence); and economic (direct economic costs and benefits, indirect economic costs and benefits, employment and employment capital, induced economic costs and benefits, and project lifespan and flexibility). The majority of this study explains these categories and their various considerations in more depth and provides the supporting rationale that led to their inclusion in the revised SuRF-UK guidance.
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