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sampling point
Severn Estuary Adj. Portbury O/F

Description SEVERN ESTUARY ADJACENT TO PORTBURY O/F
Sampling point ID SW-E8400220
Type Saline Water – Estuarine Sites – Non Bathing/Shellfish
Status closed
Location easting northing: 348600 178100
lat lon: 51.499483, -2.741857
Area Wessex
Sub-Area North Wessex
Summary 17 samples taken between 2009 and 2005

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.

18 determinands have been measured at this site
  • Aldrin
  • Cu Filtered
  • Dieldrin
  • Endrin
  • Fe- Filt
  • HCH Alpha
  • HCH Beta
  • HCH Gamma
  • Hg Filtered
  • Isodrin
  • Mercury - Hg
  • SALinsitu
  • TetClEthene
  • Tot Drins(4)
  • Tot HCHs ABG
  • Trichloroeth
  • Zn- Filtered
  • pH

Sampling results

Samples from 22 May 2007 to 18 Mar 2009

NotationDeterminandUnits22 May
2007
11:58		 8 Aug
2007
13:50		19 Oct
2007
12:24		19 Nov
2007
13:43		14 Dec
2007
10:50		10 Apr
2008
11:59		27 May
2008
11:55		 5 Aug
2008
10:55		 4 Nov
2008
10:30		18 Mar
2009
11:15
0061pH7.967.8587.967.877.887.867.44
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0483Aldrinμg/l< 0.001< 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< 0.003
0491HCH -betaμg/l< 0.0021< 0.0021< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0499HCH -gamma :- {Lindane}μg/l< 0.0022< 0.0022< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0511Dieldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0562Endrinμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
3328Tetrachloroethylene :- {Perchloroethylene}μg/l< 0.1< 0.1< 0.1< 0.10.1< 0.1< 0.1< 0.1
3334Trichloroethylene :- {Trichloroethene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3408Zinc, Dissolvedμg/l7.315.633.294.964.223.344.94.63
6450Copper, Dissolvedμg/l3.943.91.891.962.111.782.722.36
6460Iron, Dissolvedμg/l< 100< 100< 100< 100< 100< 100< 100< 100
7202Drins : Total (Aldrin, Dieldrin, Endrin, Isodrin)μg/l< 0.006< 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< 0.009
7608Salinity : In Situppt22.615.4125.9521.6322.9423.56
9494Isodrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001

Samples from 14 Apr 2005 to 20 Apr 2007

NotationDeterminandUnits14 Apr
2005
11:30		24 Oct
2005
11:45		 4 May
2006
12:45		15 Jun
2006
11:50		 1 Aug
2006
12:10		 1 Sep
2006
12:15		20 Apr
2007
11:30
0061pH7.97.857.887.957.91
0103Mercury, Dissolvedμg/l< 0.01
0105Mercuryμg/l0.01< 0.01< 0.010.010.020.33
0483Aldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0487HCH -alphaμg/l< 0.0021< 0.0021< 0.003< 0.0021< 0.0021< 0.0021
0491HCH -betaμg/l< 0.0021< 0.0021< 0.003< 0.0021< 0.0021< 0.0021
0499HCH -gamma :- {Lindane}μg/l< 0.0022< 0.0022< 0.003< 0.0022< 0.0022< 0.0022
0511Dieldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0562Endrinμg/l< 0.0025< 0.003< 0.003< 0.003< 0.003< 0.003
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
3408Zinc, Dissolvedμg/l9.55.54.854.627.157.13
6450Copper, Dissolvedμg/l2.42.11.92.11.832.493.22
6460Iron, Dissolvedμg/l< 100< 100< 100< 100< 100< 100< 100
7202Drins : Total (Aldrin, Dieldrin, Endrin, Isodrin)μg/l< 0.0055< 0.006< 0.006< 0.006< 0.006< 0.006
7216HCH : Total (Alpha, Beta, Gamma)μg/l< 0.0064< 0.0064< 0.009< 0.0064< 0.0064< 0.0064
7608Salinity : In Situppt22.0226.4521.122.6825.626.1423.5
9494Isodrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001