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sampling point
Tollesbury N Channel Off Gt.Cob Isle

Description TOLLESBURY N CHANNEL OFF GT.COB ISLE
Sampling point ID AN-BE0770
Type Saline Water – Designated Shellfisheries
Status open
Location easting northing: 598900 211050
lat lon: 51.762788, 0.880878
Area Essex Norfolk And Suffolk
Sub-Area Ecmas Sampling (Eastern)
Summary 173 samples taken between 2024 and 2000

Determinands

Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.

89 determinands have been measured at this site
  • Ag- Filtered
  • Aldrin
  • Ammonia(N)
  • As-Filtered
  • BOD ATU
  • CHLOR A
  • CHLOROPHYLL
  • Cd Filtered
  • Chloride Ion
  • ColfmF Conf
  • ColfmF Conf
  • Colour Filt
  • Cond @ 20C
  • Cond @ 25C
  • Cr- Filtered
  • Cu Filtered
  • DDE (PP')
  • DDT (OP')
  • DDT (PP)
  • DDT Derived
  • Dieldrin
  • E.coli C-MF
  • E.coli C-MPN
  • ECSW 1/2LOD
  • Endrin
  • F Coli Pre
  • HCH Alpha
  • HCH Beta
  • HCH Delta
  • HCH Gamma
  • HCHs ABGDE
  • HEXACHLORO 1
  • HTrlTW
  • Hexachlorbnz
  • Hg Filtered
  • Isodrin
  • MST Filter
  • N Dis Inorg
  • N Inorganic
  • N Oxid Filt
  • N Oxidised
  • NGR Easting
  • NGR Northing
  • NH3 filt N
  • NH3 un-ion
  • Ni- Filtered
  • Nitrate Filt
  • Nitrite Filt
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • Oxygen Diss
  • PCB 128
  • PCB Con 028
  • PCB Con 052
  • PCB Con 101
  • PCB Con 105
  • PCB Con 118
  • PCB Con 138
  • PCB Con 153
  • PCB Con 156
  • PCB Con 170
  • PCB Con 180
  • PCB Tot Cong
  • PCBs
  • Parathion
  • Pb Filtered
  • SALIN CALC
  • SALinsitu
  • Salmonella
  • Sample Depth
  • SiO2 Filt
  • Sld Sus@105C
  • TDE (PP)
  • Temp Water
  • Time Hi-Tide
  • Tot DDTs (4)
  • Tot Drins(4)
  • Tot HCHs ABG
  • Transparency
  • TriBT Cation
  • Turbdty in-s
  • Turbidity
  • Vol Filtered
  • Water Depth
  • Zn- Filtered
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 173 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 12 Sep 2023 to 5 Jul 2024

NotationDeterminandUnits12 Sep
2023
12:09
4 Oct
2023
15:05
28 Nov
2023
12:55
11 Jan
2024
11:39
1 Feb
2024
15:32
14 Mar
2024
14:23
8 Apr
2024
11:13
6 May
2024
12:17
7 Jun
2024
12:07
5 Jul
2024
15:59
0004Time of high tidehh.mm13.3611.46
0006Sample Depth below surfacem0.20.2
0076Temperature of Water°C17.118.3
2348Escherichia coli : Confirmed : MFno/100ml< 10< 1011045< 10< 10< 10< 10< 10< 10
3428Water Depthm64.5
3976Turbidity : In Situftu5.86.3
4865Volume of Sample Filteredml10001000650900880100010002909401000
4926MST Filtration2222222222
6019NGR : Eastingngr598892598947
6020NGR : Northingngr211058211058
7342Time of sampling relative to previous high waterhh.mm11.0311.35
7608Salinity : In Situppt34.3434.6631.4329.2131.229.6130.5331.6832.4933.68
9901Oxygen, Dissolved, % Saturation%85.489.5
9924Oxygen, Dissolved as O2mg/l6.796.9

Samples from 8 Jul 2013 to 3 Aug 2023

NotationDeterminandUnits 8 Jul
2013
11:29
6 Oct
2013
11:04
9 Dec
2014
11:42
6 Jan
2015
11:24
7 Feb
2015
12:05
12 Apr
2023
15:13
10 May
2023
15:28
6 Jun
2023
15:25
6 Jul
2023
16:42
3 Aug
2023
13:46
0004Time of high tidehh.mm12.4913.3912.4512.4414.09
0006Sample Depth below surfacem0.20.20.20.20.2
0052Lead, Dissolvedμg/l< 0.04
0061pH8.0188.058
0072Colour, Filteredhazen< 5< 5
0076Temperature of Water°C19.5315.466.0144.9172.841
0103Mercury, Dissolvedμg/l< 0.01
0106Cadmium, Dissolvedμg/l< 0.04
0135Solids, Suspended at 105 Cmg/l8.410.9
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf00
2348Escherichia coli : Confirmed : MFno/100ml< 10< 10< 10< 10
3408Zinc, Dissolvedμg/l0.804
3409Chromium, Dissolvedμg/l< 0.5
3410Nickel, Dissolvedμg/l0.986
3428Water Depthm5.754.595.595.715
3458Coliforms, Faecal : Confirmedno/100ml< 10
3461Coliforms, Faecal : Presumptive : MFno/100ml< 10
3976Turbidity : In Situftu18.817.217.9
4865Volume of Sample Filteredml8408501000860
4925Nitrogen, Dissolved Inorganic : as Nmg/l1.130.7840.925
4926MST Filtration2222
6019NGR : Eastingngr598907598861598908598884598884
6020NGR : Northingngr211038211067211042211054211048
6045Arsenic, Dissolvedμg/l1.09
6450Copper, Dissolvedμg/l0.753
6485Nitrite, Filtered as Nmg/l0.01740.0070.0067
7342Time of sampling relative to previous high waterhh.mm11.059.4710.3210.5410.13
7608Salinity : In Situppt33.87834.26230.50229.64130.5429.93631.8933.4233.8433.91
9853Nitrate, Filtered as Nmg/l1.050.7430.883
9856Orthophosphate, Filtered as Pmg/l0.050.0320.044
9857Silicate, Filtered as SiO2mg/l1.591.021.28
9901Oxygen, Dissolved, % Saturation%94.684.991.196.794.8
9924Oxygen, Dissolved as O2mg/l7.116.899.3310.210.5
9943Nitrogen, Total Oxidised, Filtered as Nmg/l1.070.750.89
9993Ammoniacal Nitrogen, Filtered as Nmg/l0.060.0340.035