Table 5 Data for N partially used vials discarded in 2 bags, measured to determine (ER/2BKG) ratios
Period of treatments | December 2017–December 2018 | First half 2019 | |
|---|---|---|---|
Vials July 2021 | Number of vials stored (N) | 10 | 9 |
Storage time of vials (median [range] in months) | 34.6 [32.2–43.6] | 29.1 [26.1–30.9] | |
Residual activity per vial (median [range] in kBq) | 100 [26–165] | 210 [105–615] | |
(ER/2BKG) Ratio* (median [range]) | 8 [4.0–14] | 15.0 [8.3–41.3] | |
Additional storage time required (months) | 24 | 36 | |
Calculated date of disposal | July 2023 | July 2024 | |
Compliance with predicted storage times (5 years) | YES | YES | |
Bags July 2021 | Number of bags containing N vials | 1 | 1 |
Total residual activity in one bag (MBq) | 0.92 | 2.32 | |
(ER/2BKG) Ratio* | 50 | 183 | |
Additional storage time required (months) | 36 | 48 | |
Calculated date of disposal | July 2024 | July 2025 | |
Compliance with predicted storage times (5 years) | NO | NO | |