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sampling point
River Taw 250 M D/S Ashford Surf Boil

Description TAW ESTUARY - BARNSTAPLE (ASHFORD) STW - 250M DOWNSTREAM OF STW
Sampling point ID SW-73010361
Type Saline Water – Estuarine Sites – Non Bathing/Shellfish
Status closed
Location easting northing: 252850 134300
lat lon: 51.089081, -4.102496
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 113 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.

84 determinands have been measured at this site
  • 1,2,3-TCB
  • 1,2,3-TCB
  • 1,2,4-TCB
  • 1,2,4-TCB
  • 1,3,5-TCB
  • 1,3,5TCB D
  • Action taken
  • Aldrin
  • Aldrin DWt
  • As-Filtered
  • CHT Cation
  • Carbon Tet
  • Cd - Dry Wt
  • Cd Filtered
  • Chloroform
  • Cr- Filtered
  • Cu Filtered
  • DBT Cation
  • DDE (PP')
  • DDE (PP')DWt
  • DDT (OP')
  • DDT (OP')DWt
  • DDT (PP')DWt
  • DDT (PP)
  • DDT Derived
  • DPT Cation
  • DiOctyl Sn
  • Dieldrin
  • Dieldrin DWt
  • Drins Dry Wt
  • Dry Matter %
  • DrySolids30C
  • Endrin
  • Endrin DryWt
  • F Coli Pre
  • Fe- Filt
  • HCH Alpha
  • HCH Beta
  • HCH Beta DWt
  • HCH Gamma
  • HCHAlpha DWt
  • HCHGamma DWt
  • HCHs ABG dw
  • HCHs ABGDE
  • Hg DW <63
  • Hg - Dry Wt
  • Hg Filtered
  • Isodrin
  • Isodrin DWt
  • MBT Cation
  • MPhT Cation
  • MST Filter
  • Malathion
  • MonOctylSn
  • Ni- Filtered
  • O Diss %sat
  • Oxygen Diss
  • Pb Filtered
  • SALinsitu
  • Salinty Cond
  • Sample Prep
  • StrepF PMF
  • TBT Dry Wt
  • TCB Tot
  • TCB tot dw
  • TDE (PP')DWt
  • TDE (PP)
  • Temp Water
  • TetBT Cation
  • TetClEthene
  • TetPTtin Cat
  • Tot DDTs dw
  • Tot Drins(4)
  • Tot HCHs ABG
  • TriBT Cation
  • TriPT Cation
  • TriPhenP DW
  • Tributyl Tin
  • Trichloroeth
  • TurbidityNTU
  • WethPresPrec
  • WethPresTemp
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 113 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Aug 2009 to 21 Oct 2010

NotationDeterminandUnits 4 Aug
2009
09:20		 4 Aug
2009
09:30		21 Oct
2009
10:20		15 Dec
2009
09:40		21 Dec
2009
10:45		29 Jan
2010
10:15		27 Apr
2010
09:45		24 Aug
2010
12:10		24 Aug
2010
12:15		21 Oct
2010
09:30
0052Lead, Dissolvedμg/l0.1560.0550.0460.4160.0440.399
0061pH7.47.97.77.47.78.1
0076Temperature of Water°C15137.57.51216.5
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l< 0.04< 0.04< 0.04< 0.04< 0.04< 0.04
0254Cadmium : Dry Wtmg/kg0.1620.433
0270Mercury : Dry Wtmg/kg< 0.1< 0.1
0483Aldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0484Aldrin : Dry Wtμg/kg< 2< 2
0487HCH -alphaμg/l< 0.004< 0.003< 0.003< 0.003< 0.003< 0.003
0488HCH -alpha : Dry Wtμg/kg< 1< 2
0491HCH -betaμg/l< 0.004< 0.003< 0.003< 0.003< 0.003< 0.003
0492HCH -beta : Dry Wtμg/kg< 3< 2
0499HCH -gamma :- {Lindane}μg/l< 0.004< 0.003< 0.003< 0.003< 0.003< 0.003
0500HCH -gamma : Dry Wt :- {Lindane}μg/kg< 5< 2
0511Dieldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0512Dieldrin : Dry Wtμg/kg< 1< 2
0535Malathionμg/l< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002
0539DDT -opμg/l< 0.004< 0.003< 0.003< 0.003< 0.003< 0.003
0540DDT -op : Dry Wtμg/kg< 1< 2
0551DDE -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0552DDE -pp : Dry Wtμg/kg< 1< 2
0555DDT -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0556DDT -pp : Dry Wtμg/kg< 2< 2
0559TDE -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0560TDE -pp : Dry Wtμg/kg< 1< 2
0562Endrinμg/l< 0.004< 0.003< 0.003< 0.003< 0.003< 0.003
0568Endrin : Dry Wtμg/kg< 1< 2
0575DDT : Sum of componentsμg/l< 0.007< 0.006< 0.006< 0.006< 0.006< 0.006
10931,3,5-Trichlorobenzene : Dry Wtμg/kg< 2< 1
11101,2,3-Trichlorobenzene : Dry Wtμg/kg< 1< 0.8
11121,2,4-Trichlorobenzene : Dry Wtμg/kg< 1< 0.8
3204Isodrin : Dry Wtμg/kg< 1< 2
3206Trichlorobenzene : Total (123-, 124-, 135-) : Dry Wtμg/kg< 4< 2.6
3328Tetrachloroethylene :- {Perchloroethylene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3334Trichloroethylene :- {Trichloroethene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3373Chloroform :- {Trichloromethane}μg/l< 0.1< 0.1< 0.10.26< 0.1< 0.1
3408Zinc, Dissolvedμg/l1.9115.92.679.512.552.15
3409Chromium, Dissolvedμg/l< 0.5< 0.5< 0.50.876< 0.5< 0.5
3410Nickel, Dissolvedμg/l0.660.730.511.40.730.69
4013HCH : Total (Alpha, Beta, Gamma) : Dry Wtμg/kg< 9< 6
5555DDT : Total Isomers (DDT op pp, DDE pp, TDE pp) : Dry Wtμg/kg< 5< 8
5732Triphenyl Tin as Cationμg/l< 0.002< 0.0020.003< 0.002< 0.002< 0.002
6396Turbidityntu42.168.36.86.25.132.7
6450Copper, Dissolvedμg/l1.060.540.671.040.361.05
6460Iron, Dissolvedμg/l< 100< 100< 100110< 100< 100
6908Drins : Total (Aldrin, Dieldrin, Endrin, Isodrin) : Dry Wtμg/kg< 5< 8
7081Trichlorobenzene : Total (123-, 124-, 135-)μg/l< 0.039< 0.03< 0.03< 0.03< 0.03< 0.03
7202Drins : Total (Aldrin, Dieldrin, Endrin, Isodrin)μg/l< 0.007< 0.006< 0.006< 0.006< 0.006< 0.006
7216HCH : Total (Alpha, Beta, Gamma)μg/l< 0.012< 0.009< 0.009< 0.009< 0.009< 0.009
7608Salinity : In Situppt0.428.520.718.751.78
8394Sample Preparationtext11
8944Tributyl Tin as Cationμg/l< 0.0006< 0.0005< 0.0005< 0.0005< 0.0005< 0.0005
90501,2,3-Trichlorobenzeneμg/l< 0.013< 0.01< 0.01< 0.01< 0.01< 0.01
90511,2,4-Trichlorobenzeneμg/l< 0.013< 0.01< 0.01< 0.01< 0.01< 0.01
90521,3,5-Trichlorobenzeneμg/l< 0.013< 0.01< 0.01< 0.01< 0.01< 0.01
9494Isodrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9589Dry Solids at 30 C%76.3
9901Oxygen, Dissolved, % Saturation%887488939497
9924Oxygen, Dissolved as O2mg/l8.836.5610.411.19.069.36

Samples from 17 Jul 2007 to 29 May 2009

NotationDeterminandUnits17 Jul
2007
09:50		14 Sep
2007
10:05		26 Sep
2007
10:25		14 Jan
2008
10:30		10 Mar
2008
11:55		13 May
2008
11:00		16 Jun
2008
09:50		16 Jun
2008
10:10		30 Oct
2008
10:15		29 May
2009
11:40
0052Lead, Dissolvedμg/l0.1240.0640.2511.30.080.153< 0.04
0061pH88.28.17.98.47.78.1
0076Temperature of Water°C17.5816.5
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l< 0.04< 0.04< 0.04< 0.04< 0.04< 0.04< 0.04
0254Cadmium : Dry Wtmg/kg0.114
0270Mercury : Dry Wtmg/kg< 0.1
0483Aldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0487HCH -alphaμg/l< 0.0021< 0.0021< 0.003< 0.003< 0.003< 0.003< 0.003
0488HCH -alpha : Dry Wtμg/kg< 3
0491HCH -betaμg/l< 0.0021< 0.0021< 0.003< 0.003< 0.003< 0.003< 0.003
0492HCH -beta : Dry Wtμg/kg< 3
0499HCH -gamma :- {Lindane}μg/l< 0.0022< 0.0022< 0.003< 0.003< 0.003< 0.003< 0.003
0500HCH -gamma : Dry Wt :- {Lindane}μg/kg< 3
0511Dieldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0512Dieldrin : Dry Wtμg/kg< 3
0535Malathionμg/l< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002
0539DDT -opμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0540DDT -op : Dry Wtμg/kg< 3
0551DDE -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0552DDE -pp : Dry Wtμg/kg< 3
0555DDT -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0556DDT -pp : Dry Wtμg/kg< 3
0559TDE -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0560TDE -pp : Dry Wtμg/kg< 3
0562Endrinμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0575DDT : Sum of componentsμg/l< 0.006< 0.006< 0.006< 0.006< 0.006< 0.006< 0.006
10931,3,5-Trichlorobenzene : Dry Wtμg/kg< 3
11101,2,3-Trichlorobenzene : Dry Wtμg/kg< 3
11121,2,4-Trichlorobenzene : Dry Wtμg/kg< 3
1181Weather : Temperature3
1183Weather : Precipitation2
3328Tetrachloroethylene :- {Perchloroethylene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3334Trichloroethylene :- {Trichloroethene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3373Chloroform :- {Trichloromethane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3408Zinc, Dissolvedμg/l2.12.184.666.851.161.721.18
3409Chromium, Dissolvedμg/l< 0.5< 0.53.87< 0.5< 0.5< 0.5< 0.5
3410Nickel, Dissolvedμg/l1.760.854.941.031.130.920.92
3461Coliforms, Faecal : Presumptive : MFno/100ml74
4926MST Filtration2
5731Diphenyl Tin as Cationμg/l< 0.002
5732Triphenyl Tin as Cationμg/l< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002
5733Tetrabutyl Tin as Cationμg/l< 0.002
5734Monophenyl Tin as Cationμg/l< 0.001
5735Monobutyl Tin as Cationμg/l< 0.003
5736Dibutyl Tin as Cationμg/l< 0.002
5737Cyclohexyl Tin as Cationμg/l< 0.036
6396Turbidityntu16743.7
6423Streptococci : Faecal : Presumptive : MFno/100ml6
6450Copper, Dissolvedμg/l2.530.682.296.880.841.171.24
6460Iron, Dissolvedμg/l< 100< 100< 100250< 100< 100< 100
7081Trichlorobenzene : Total (123-, 124-, 135-)μg/l< 0.03< 0.03< 0.033< 0.033< 0.03< 0.03< 0.03
7202Drins : Total (Aldrin, Dieldrin, Endrin, Isodrin)μg/l< 0.006< 0.006< 0.006< 0.006< 0.006< 0.006< 0.006
7216HCH : Total (Alpha, Beta, Gamma)μg/l< 0.0064< 0.0064< 0.009< 0.009< 0.009< 0.009< 0.009
7608Salinity : In Situppt2.1320.5
8943Tetraphenyl Tin as Cationμg/l< 0.008
8944Tributyl Tin as Cationμg/l< 0.002< 0.002< 0.00050.0009< 0.0005< 0.0006< 0.0005
90501,2,3-Trichlorobenzeneμg/l< 0.01< 0.01< 0.011< 0.011< 0.01< 0.01< 0.01
90511,2,4-Trichlorobenzeneμg/l< 0.01< 0.01< 0.011< 0.011< 0.01< 0.01< 0.01
90521,3,5-Trichlorobenzeneμg/l< 0.01< 0.01< 0.011< 0.011< 0.01< 0.01< 0.01
9160Monooctyl Tin as Cationμg/l< 0.009
9166Dioctyl Tin as Cationμg/l< 0.003
9494Isodrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9901Oxygen, Dissolved, % Saturation%81111
9924Oxygen, Dissolved as O2mg/l9.469.62