Table 4.6
Amounts of stock solution added and resulting nominal and measured concentrations
Test tube
Sediment
Conc
level
Stock
solution
added
µL
Nominal
conc. in
bottle
µg/L
Measured
conc.
µg/L
Pendimethalin pelagic
No sediment
High
250
54.5
54.4
Pendimethalin pelagic
No sediment
Low
125
27.3
27.3
Pendimethalin suspended sediment
Odderbæk
Low
125
27.3
27.3
Pendimethalin suspended sediment
Lillebæk
Low
125
27.3
27.3
Ioxynil pelagic
No sediment
High
500
37.5
43.5
Ioxynil pelagic
No sediment
Low
250
18.75
21.7
Ioxynil suspended sediment
Odderbæk
Low
250
18.75
21.7
Ioxynil suspended sediment
Lillebæk
Low
250
18.75
21.7
Bentazone pelagic
No sediment
High
600
9.0
13.5
Bentazone pelagic
No sediment
Low
300
4.5
6.75
Bentazone suspended sediment
Odderbæk
Low
300
4.5
6.75
Bentazone suspended sediment
Lillebæk
Low
300
4.5
6.75
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