Contaminant Exposure in Juvenile Salmon: Table 7

U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications

NOAA Tech Memo NMFS NWFSC-8: Contaminant Exposure in Juvenile Salmon (cont): Table 7

Table 7.
Concentrations of butyltins in composite liver samples of juvenile chinook salmon in 1989.


Site
Tetrabutyl

Tributyl

Dibutyl

Monobutyl
Duwamish Waterway
Composite #1
<5a
<5
<5
<5
Composite #2
<5
<5
<5
<5
Composite #3
<5
36
72
<5
Commencement Bay
<5
25b
32
<5
Nisqually Estuary
Composite #1
<5
25b
32
<5
Composite #2
<5
<5
<5
<5

a The "less than" symbol (<) indicates that the analyte was not detected in concentrations above the stated value.

b The analyte was detected, but below the limit of quatification of 25 ng/g.

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