sampling point
Black Ditch At A4129, Thame
| Description | BLACK DITCH AT A4129, THAME |
|---|---|
| Sampling point ID | TH-PTAR0109 |
| Type | Freshwater – Rivers |
| Status | closed |
| Location |
easting northing: 472900 206200 lat lon: 51.749756, -0.94539 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 75 samples taken between 2007 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.
17 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Chloride Ion
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- SI-GQA
- Temp Water
- Type of Flow
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 75 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 18 Oct 2006 to 12 Jun 2007
| Notation | Determinand | Units | 18 Oct 2006 08:20 | 15 Nov 2006 09:17 | 18 Nov 2006 07:55 | 18 Dec 2006 11:25 | 18 Jan 2007 09:35 | 12 Feb 2007 10:50 | 14 Mar 2007 11:36 | 18 Apr 2007 08:30 | 16 May 2007 10:36 | 12 Jun 2007 09:45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.5 | 7.59 | 7.5 | 7.6 | 7.7 | 7.6 | 8 | 7.7 | 7.5 | 7.4 | |
| 0076 | Temperature of Water | °C | 12.9 | 11.6 | 8.3 | 8.1 | 8.8 | 7.9 | 8.67 | 8.1 | 11.71 | 13.3 |
| 0085 | BOD : 5 Day ATU | mg/l | 1.7 | 2.8 | 1.8 | 1.1 | 1.6 | < 1 | 1.1 | < 1 | < 1 | < 1 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.19 | 0.076 | 0.056 | 0.081 | 0.123 | 0.057 | 0.106 | < 0.03 | 0.057 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.31 | 1.69 | 7.56 | 8.55 | 8.51 | 6.17 | 7.03 | 3.27 | 2 | 4.6 |
| 0117 | Nitrate as N | mg/l | 1.26 | 1.67 | 7.52 | 8.48 | 8.45 | 6.15 | 6.96 | 3.26 | 1.97 | 4.57 |
| 0118 | Nitrite as N | mg/l | 0.0462 | 0.0245 | 0.0387 | 0.0737 | 0.0603 | 0.0194 | 0.0701 | 0.0092 | 0.0288 | 0.0321 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00138 | 0.00061 | 0.00029 | 0.00052 | 0.00104 | 0.00036 | 0.00175 | < 0.00024 | 0.00038 | < 0.00018 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.164 | 0.082 | 0.125 | 0.092 | 0.333 | 0.13 | 0.113 | 0.045 | < 0.02 | 0.044 |
| 3267 | Type of flow as description | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 63 | 63.4 | 73 | 79.1 | 78.5 | 75.2 | 85.8 | 77.6 | 74.7 | 59.6 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 6.64 | 6.88 | 8.57 | 9.33 | 9.1 | 8.91 | 9.98 | 9.15 | 8.09 | 6.22 |