river_tees_-_maintenance_dredging
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| river_tees_-_maintenance_dredging [2025/02/24 20:43] – [Polycyclic Aromatic Hydrocarbon Sediment] nefcadmin | river_tees_-_maintenance_dredging [2025/07/22 11:28] (current) – nefcadmin | ||
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| * Sampling in October 2021 showed PAHs had in general increased compared to November 2020 (of 176 measurements 152 increased by upto 22times), but no similar increase seen in metal concentration (of 64 measurements only 34 had increased by at most 4 times and some had decreased to 10%) | * Sampling in October 2021 showed PAHs had in general increased compared to November 2020 (of 176 measurements 152 increased by upto 22times), but no similar increase seen in metal concentration (of 64 measurements only 34 had increased by at most 4 times and some had decreased to 10%) | ||
| * This suggests that an event with a large release of hydrocarbons happened prior to 13th October 2021 | * This suggests that an event with a large release of hydrocarbons happened prior to 13th October 2021 | ||
| + | * PD Ports has applied for another 10 year renewal maintenance dredging licence - [[MLA-2025-00263|MLA/ | ||
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| {{this> | {{this> | ||
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| ===== Background ===== | ===== Background ===== | ||
river_tees_-_maintenance_dredging.1740429805.txt.gz · Last modified: by nefcadmin