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sampling point
Henlow Bk.Trib.Ivel D/S Langford Mill

Description HENLOW BK.TRIB.IVEL D/S LANGFORD MILL
Sampling point ID AN-15M05
Type Freshwater – Rivers
Status open
Location easting northing: 518190 241468
lat lon: 52.058988, -0.277509
Area Cambridgeshire And Bedfordshire
Sub-Area Brampton Team Sub Area
Summary 233 samples taken between 2020 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.

54 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • C - Org Filt
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Ca Filtered
  • Cadmium - Cd
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Fe- Filt
  • Fluoranthene
  • Ind123pyrene
  • Lead - as Pb
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • O Diss% Satn
  • O Dissolved
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 153
  • PBDE 154
  • PBDE 28
  • PBDE 47
  • PBDE 99
  • Pb Filtered
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • TriBT Cation
  • Triclosan
  • Turbidity
  • TurbidityNTU
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 233 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Oct 2017 to 22 Jan 2020

NotationDeterminandUnits 6 Oct
2017
12:01
11 Jan
2018
13:43
5 Apr
2018
08:36
2 Nov
2018
10:25
15 Nov
2018
10:49
14 Mar
2019
07:50
11 Apr
2019
10:13
15 Jul
2019
08:11
24 Oct
2019
12:15
22 Jan
2020
08:55
0061pH7.697.597.587.747.637.627.997.757.677.66
0235Magnesium, Dissolvedmg/l8.259.468.935.757.827.917.876.87.79
0239Calcium, Dissolvedmg/l10813115792.3120121120100120160
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l3.533.765.164.093.463.553.734.43.64.5
6460Iron, Dissolvedμg/l< 30< 30< 3048.644.733.9< 305937< 30

Samples from 8 Dec 2016 to 18 Sep 2017

NotationDeterminandUnits 8 Dec
2016
09:53
11 Jan
2017
09:54
25 Jan
2017
12:17
23 Feb
2017
10:09
12 Apr
2017
10:38
15 May
2017
14:09
16 Jun
2017
10:30
12 Jul
2017
10:17
9 Aug
2017
13:13
18 Sep
2017
13:11
0061pH8.088.077.917.777.52
0076Temperature of Water°C515.3
0077Conductivity at 25 Cμs/cm750902
0111Ammoniacal Nitrogen as Nmg/l0.1410.238
0116Nitrogen, Total Oxidised as Nmg/l12.414.3
0117Nitrate as Nmg/l12.314.2
0118Nitrite as Nmg/l0.08550.0895
0119Ammonia un-ionised as Nmg/l0.001780.0038
0162Alkalinity to pH 4.5 as CaCO3mg/l247174
0180Orthophosphate, reactive as Pmg/l0.1850.295
0235Magnesium, Dissolvedmg/l8.876.47
0239Calcium, Dissolvedmg/l12612189.5
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l3.443.826.55
0714Benzo(g,h,i)Peryleneμg/l0.001470.001150.001380.002960.001020.000760.003980.00575
0731Benzo(b)Fluorantheneμg/l0.001410.000750.000740.00170.000860.000660.002590.0041
0733Benzo(k)Fluorantheneμg/l0.000560.000320.000380.000880.000370.000240.001330.00203
0736Fluorantheneμg/l0.00960.002740.002810.003850.004290.003280.005950.00669
0746Indeno(1,2,3-cd)pyreneμg/l0.001480.001070.001040.002920.000890.000560.003470.00607
46212,4,4-TriBromoDiphenylEtherμg/l< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05
4820Manganese : BLM Bioavailableμg/l3.27
6399Benzo(a)Pyreneμg/l0.001240.000780.000880.001940.000620.001530.000730.000410.002750.00412
6458Manganese, Dissolvedμg/l< 10
6460Iron, Dissolvedμg/l39.568.952.4
8944Tributyl Tin as Cationμg/l< 0.00020.00052< 0.0002< 0.0002< 0.0002< 0.0002
90112,2,4,4,5,5-Hexabromodiphenyl ether :- {PBDE 153}μg/l< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05
90132,2,4,4,5,6-Hexabromodiphenyl ether :- {PBDE 154}μg/l< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05
90152,2,4,4,5-Pentabromodiphenyl ether :- {PBDE 99}μg/l< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05
90172,2,4,4,6-Pentabromodiphenyl ether :- {PBDE 100}μg/l< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05
90192,2,4,4-Tetrabromodiphenyl ether :- {PBDE 47}μg/l< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05< 6.0e-05
9901Oxygen, Dissolved, % Saturation%92.2103.9
9924Oxygen, Dissolved as O2mg/l11.810.4