sampling point
G.U.C. At Durrants Hill Road, Hemel Hemp
| Description | G.U.C. AT DURRANTS HILL ROAD, HEMEL HEMPSTEAD |
|---|---|
| Sampling point ID | TH-PCNR0185 |
| Type | Freshwater – Rivers |
| Status | closed |
| Location |
easting northing: 505836 205706 lat lon: 51.740069, -0.468595 |
| Area | Hertfordshire And North London |
| Sub-Area | L&W Herts & North London |
| Summary | 147 samples taken between 2010 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.
64 determinands have been measured at this site
- ACENAPTHEN
- Acenapthylen
- Action taken
- Alky pH 4.5
- Ammonia(N)
- Anthracene
- B-(a)-anthra
- B-[a]-pyrene
- B-[b]-fluora
- B-[ghi]-pery
- B-[k]-fluora
- BOD ATU
- CHLOR A
- CHLOROPHYLL
- Cadmium - Cd
- Calcium - Ca
- Chloride Ion
- Chromium -Cr
- Chrysene
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- Dibenz[ah]an
- FLUORENE
- Fluoranthene
- Hardness
- Ind123pyrene
- Lead - as Pb
- MTBE
- Magnesium-Mg
- N Oxidised
- NH3 un-ion
- Naphthalene
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Oil,Grse,Fat
- Orthophospht
- Oxygen Diss
- PFOS
- PFdecncAcid
- PFdodencAcid
- PFheptncAcid
- PFhexncAcid
- PFnonncAcid
- PFoctncAcid
- PFpentncAcid
- PFtetdncAcid
- PFundencAcid
- PYRENE
- Phenanthrene
- Phenol Odour
- SI-EC-F
- SI-GQA
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- pFoctanoate
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 147 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 20 Nov 2009 to 5 Aug 2010
| Notation | Determinand | Units | 20 Nov 2009 08:45 | 16 Dec 2009 12:50 | 19 Jan 2010 09:15 | 8 Feb 2010 09:30 | 10 Mar 2010 08:15 | 15 Apr 2010 08:45 | 10 May 2010 09:50 | 8 Jun 2010 09:35 | 2 Jul 2010 09:50 | 5 Aug 2010 10:15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.88 | 7.89 | 7.95 | 8.12 | 8.06 | ||||||
| 0076 | Temperature of Water | °C | 9.92 | 4.39 | 4.98 | 5.16 | 4.26 | |||||
| 0077 | Conductivity at 25 C | μs/cm | 560 | 624 | 650 | 639 | 618 | |||||
| 0085 | BOD : 5 Day ATU | mg/l | 2.1 | 1.9 | 1.9 | < 1 | 1.8 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.061 | 0.037 | < 0.03 | < 0.03 | < 0.03 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4.29 | 5.49 | 6.28 | 6.1 | 6.09 | |||||
| 0117 | Nitrate as N | mg/l | 4.25 | 5.46 | 6.24 | 6.07 | 6.07 | |||||
| 0118 | Nitrite as N | mg/l | 0.0358 | 0.0302 | 0.0401 | 0.027 | 0.0151 | |||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00084 | 0.00035 | < 0.00034 | < 0.00038 | < 0.00036 | |||||
| 0135 | Solids, Suspended at 105 C | mg/l | 5.92 | 7.13 | 4.92 | 6.78 | 8.25 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 223 | 242 | 256 | 247 | 249 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.122 | 0.125 | 0.103 | 0.101 | 0.062 | |||||
| 0664 | Visible oil or grease, significant trace: Present/Not found (1/0) | pres/nf | 0 | 0 | 0 | 0 | 0 | |||||
| 6450 | Copper, Dissolved | μg/l | 2.4 | 1.6 | 1.7 | 1.39 | 1.5 | |||||
| 6455 | Zinc | μg/l | 6.72 | 5.1 | 5.5 | 7.9 | < 5 | |||||
| 6841 | Phenolic Odour | pres/nf | 0 | 0 | 0 | 0 | 0 | |||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 21.2 | 20.5 | 16 | 22.6 | 15.9 | 26.3 | 31.1 | 46.6 | 55.5 | 75.1 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 71.9 | 79.4 | 92.1 | 93.2 | 100.5 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.12 | 10.3 | 11.8 | 11.8 | 13.1 |