sampling point
Lee Below Wheathamstead Stw
| Description | LEE BELOW WHEATHAMSTEAD STW |
|---|---|
| Sampling point ID | TH-PLER0362 |
| Type | Freshwater – Unspecified |
| Status | open |
| Location |
easting northing: 518049 214231 lat lon: 51.814246, -0.288902 |
| Area | Hertfordshire And North London |
| Sub-Area | L&W Herts & North London |
| Summary | 35 samples taken between 2024 and 2014 |
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.
31 determinands have been measured at this site
- C - Org Filt
- CIS HE WET
- Ca Filtered
- HBCDD
- HCBD WET
- HCH Beta WWt
- HCHAlpha WWt
- HCHDelta WWt
- HCHGamma WWt
- HeptachlrWWt
- HexachlrbnzW
- Hg - wet wt
- Hg Filtered
- Lipid tot ww
- PBDE 100 DW
- PBDE 100 WW
- PBDE 153 DW
- PBDE 153 WW
- PBDE 154 DW
- PBDE 154 WW
- PBDE 28 DW
- PBDE 28 WW
- PBDE 47 DW
- PBDE 47 WW
- PBDE 99 DW
- PBDE 99 WW
- PFOS
- Solids @105C
- T-HEP WET
- pFoctanoate
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 35 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 5 Feb 2019 to 4 Mar 2024
| Notation | Determinand | Units | 5 Feb 2019 09:46 | 1 Mar 2019 12:42 | 11 Jul 2023 13:18 | 8 Sep 2023 09:45 | 6 Oct 2023 11:48 | 1 Nov 2023 09:31 | 4 Dec 2023 10:42 | 4 Jan 2024 12:30 | 9 Feb 2024 12:16 | 4 Mar 2024 10:20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.72 | 7.9 | |||||||||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | ||||||||
| 0239 | Calcium, Dissolved | mg/l | 101 | 130 | ||||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 5.46 | 5.67 | ||||||||
| 9248 | Hexabromocyclododecane Total: (Sum of a, b, g) | μg/l | 0.00052 | 0.00032 | ||||||||
| 9274 | Perfluorooctanoate anion | μg/l | 0.00372 | 0.00403 | 0.0041 | 0.0037 | 0.0039 | 0.003 | 0.0042 | 0.0032 | 0.0038 | 0.0036 |
| 9276 | Perfluorooctylsulphonate anion | μg/l | 0.00907 | 0.00918 | 0.013 | 0.01 | 0.01 | 0.0085 | 0.0098 | 0.011 | 0.012 | 0.012 |
Samples from 28 Jun 2018 to 2 Jan 2019
| Notation | Determinand | Units | 28 Jun 2018 15:56 | 12 Jul 2018 14:45 | 23 Jul 2018 10:42 | 26 Jul 2018 10:00 | 17 Aug 2018 09:58 | 5 Sep 2018 14:14 | 3 Oct 2018 10:02 | 2 Nov 2018 08:44 | 27 Nov 2018 13:22 | 2 Jan 2019 12:52 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.01 | 8.09 | 7.87 | 8.02 | 8.01 | 8.11 | 7.91 | 7.67 | 7.89 | 7.84 | |
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 |
| 0239 | Calcium, Dissolved | mg/l | 130 | 134 | 120 | 128 | 113 | 127 | 128 | 120 | 130 | 128 |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 4.81 | 5.54 | 5.41 | 5.34 | 5.14 | 5.1 | 4.97 | 6.03 | 5.12 | 4.99 |
| 9248 | Hexabromocyclododecane Total: (Sum of a, b, g) | μg/l | 0.00053 | 0.0002 | < 0.0002 | 0.00039 | 0.00029 | 0.00025 | 0.00047 | 0.00032 | 0.00028 | 0.00026 |
| 9274 | Perfluorooctanoate anion | μg/l | 0.00399 | 0.00425 | 0.00552 | 0.00516 | 0.00515 | 0.00481 | 0.00433 | 0.00477 | 0.00532 | 0.00381 |
| 9276 | Perfluorooctylsulphonate anion | μg/l | 0.00947 | 0.00969 | 0.00982 | 0.011 | 0.0101 | 0.00981 | 0.00906 | 0.00927 | 0.00994 | 0.00765 |