Presentation to the Environmental Health Sub-committee – November 2017

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Presentation transcript:

Presentation to the Environmental Health Sub-committee – November 2017 15 January 2019

Contents Contents Aerial Discharges Liquid Discharges Critical Group Dose Waste Disposals Ongoing Disposals Summary 15 January 2019

Aerial Discharges 15 January 2019 15 January 2019 3 3

Liquid Discharges 15 January 2019 15 January 2019 4 4

Liquid Discharges 15 January 2019 15 January 2019 5 5

Critical Group Dose Summary of critical group doses in the vicinity of the LLWR (µSv) UK average annual dose from background radiation = 2200µSv . 15 January 2019 15 January 2019 6 6

Waste Disposals During 2016/17, 174 containers of Low Level Waste were processed for emplacement in Vaults at LLWR. If no diversion had taken place the indicative number of containers that would have needed to be disposed was an additional ~1200* Disposal now being managed against a lifetime capacity with short term (annual) triggers, none of which have been flagged. Vault 9 remained in use for storage. * Based on 20m3 / LLW container with no packing efficiency losses included 3,855 te Via framework total: 1236te M 3,098 m3 Via framework total: 2957 m3 C 14,645 m3* Via framework total: 5568m3 V 174 containers Total received at LLWR only L 2,903m3 WAMAC receipts only S Summary Data - FY 2016/17 Metallic Waste Combustible Waste Very Low Level Waste Supercompactable Waste Low Level Waste 15 January 2019

Ongoing Disposals Small number of issues with waste being consigned outside LLWR Waste Acceptance Criteria during 2017 – No operational safe issue. EA reviewing consignors Short duration Non Radioactive permit discharge volume exceedance (~85l/s cf 75/s). No environmental consequence. EA informed. Repository capping work sanctioned, first planning conditions requirement submitted and initial work due to start 2018. Open day for local stakeholder held in October. 15 January 2019

Discharges are very low and significantly below historical limits Summary Discharges are very low and significantly below historical limits Doses remain very low Waste receipt continues to be managed safely Activities related to capping starting. 15 January 2019