sampling point
R.Blyth U/S Mells Near Holton
Description | RSN0469 R.BLYTH U/S MELLS NEAR HOLTON |
---|---|
Sampling point ID | AN-RSN0469 |
Type | Freshwater – Rivers |
Status | open |
Location |
easting northing: 640413 276967 lat lon: 52.338047, 1.527667 |
Area | Essex Norfolk And Suffolk |
Sub-Area | Norfolk & Suffolk Team Sub Area |
Summary | 12 samples taken during 2021 |
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.
17 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- C - Org Filt
- Chloride Ion
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Phosphorus-P
- SiO2 Rv
- Temp Water
- pH
Sampling results
Samples from 4 Mar 2021 to 1 Dec 2021
Samples from 21 Jan 2021 to 18 Feb 2021
Notation | Determinand | Units | 21 Jan 2021 12:29 | 18 Feb 2021 12:43 |
---|---|---|---|---|
0061 | pH | 7.88 | 8.06 | |
0076 | Temperature of Water | °C | 6.4 | 7 |
0077 | Conductivity at 25 C | μs/cm | 788 | 721 |
0111 | Ammoniacal Nitrogen as N | mg/l | 0.075 | 0.12 |
0116 | Nitrogen, Total Oxidised as N | mg/l | 11 | 7.4 |
0117 | Nitrate as N | mg/l | 11 | 7.35 |
0118 | Nitrite as N | mg/l | 0.047 | 0.053 |
0119 | Ammonia un-ionised as N | mg/l | 0.0008 | 0.00176 |
0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 240 | 230 |
0172 | Chloride | mg/l | 40 | 43 |
0180 | Orthophosphate, reactive as P | mg/l | 0.12 | 0.15 |
0182 | Silica, reactive as SiO2 | mg/l | 6.2 | 5.9 |
0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 6.9 | 6.2 |
0348 | Phosphorus, Total as P | mg/l | 0.21 | 0.17 |
9686 | Nitrogen, Total as N | mg/l | 11 | 7.7 |
9901 | Oxygen, Dissolved, % Saturation | % | 91.8 | 96 |
9924 | Oxygen, Dissolved as O2 | mg/l | 11.3 | 11.6 |