State of the Bay Report 2011-Final.pdf - Anchor Environmental

Copper (mg/kg)
Copper (mg/kg)
Copper (mg/kg)
Copper (mg/kg)
Copper (mg/kg)
Cu (mg/kg)
State of Saldanha Bay & Langebaan Lagoon 2011
Sediments
45
40
35
30
25
20
15
10
5
0
1980 1999 2000 2001 2004 2008 2009 2010 2011
North Channel - Small Bay
Copper
45
40
35
30
25
20
15
10
5
0
1980 1999 2000 2001 2004 2008 2009 2010 2011
Multi -Purpose Quay
45
40
35
30
25
20
15
10
5
0
1980 1999 2000 2001 2004 2008 2009 2010 2011
45
40
35
30
25
20
15
10
5
0
1980 1999 2000 2001 2004 2008 2009 2010 2011
Yacht Club Basin
Big Bay
45
40
35
30
25
20
15
10
5
0
1980 1999 2000 2001 2004 2008 2009 2010 2011
45
40
35
30
25
20
15
10
5
0
1980 1999 2000 2001 2004 2008 2009 2010 2011
Mussel Farm
Channel end of ore jetty
Figure 5.23. Concentrations of Copper (Cu) in mg/kg recorded at six sites in Saldanha Bay between 1980 and 2011. Dotted lines indicate Effects Range Low values for
sediments
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