Table 8.10 Sediment Contamination Results compared to the Cefas Action Levels. Yellow indicates exceedance of Action Level 1 and Red indicates exceedance of Action Level 2


Contaminant (mg/kg) As


Cd Cr


Cu Hg


Ni Pb Zn DBT TBT PCBs (sum ICES 7) 30 134


0.068 157


53.2 0.003


88.6 23.5


82.9 33 8.6


<0.03 5.8


1.2 0.002 3.5 5.21 15 37 35.5


<0.03 10.3


1.9 0.005


6.03 7.72


26.9 39 16.7


0.062 84.3


26.4 0.071


36.4 27.6


80.8 43 47.4


0.072 118


29.3 64 31.3 94.8 49 4.5


<0.03 5.2


1.6 0.003 <0.002


3.82 4.11


7.98 50


Site reference 51


51.9


0.076 145


45.8 0.003 82.5 20.02 81.8 14.9


<0.03 3.4


3 0.002


4.61 6.31


30.7 52 68.7


0.102 188


56.1 0.005


121 35


125 53 24.4


0.082 182


32.7 0.005


87.7 26.2


75.4 54 37.5


0.121 221


42.6 0.004


153 40.3


88.3 55 19.3


<0.03 6.7


1.6 0.003


4.32 7.86


23.6 57 23.1


0.085 138


29.8 0.055


66.6 28.3


90 58 11.6


<0.03 6.7


1.6


5.73 5.27


12.2 59 6.6


<0.03 3.9


1.2 0.002 <0.002


4.12 4.14


7.72 <0.004 <0.004 <0.003 <0.004 <0.004 <0.004 <0.004 <0.003 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004


<0.004 <0.004 <0.003 <0.004 <0.004 <0.004 <0.004 <0.003 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 All sites <0.0001


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 8 Marine Water and Sediment Quality Page 23


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44