1. Presentation to the Environmental Health Sub-committee – November 2017
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2. Contents Contents Aerial Discharges Liquid Discharges
Critical Group Dose
Waste Disposals
Ongoing Disposals
Summary
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3. Aerial Discharges
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4. Liquid Discharges
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5. Liquid Discharges
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6. Critical Group Dose
Summary of critical group doses in the vicinity of the LLWR (µSv)
UK average annual dose from background radiation = 2200µSv .
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7. 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
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8. 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 Open day for local stakeholder held in October.
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9. 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.
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