Concentrations of PCB Aroclors in wild and net pen rainbow trout fillets from Lake Roosevelt and the 
Upper Columbia River, 1998.

[cm, centimeters; g, grams; ug/kg: micrograms per kilogram; %, percent; <, less than; Upper, Kettle 
Falls to Northport; Lower, Spokane River to Grand Coullee Dam]

                           Fish       Length    Weight Aroclor 1242 Aroclor 1254 Aroclor 1260 Lipid
 Sample ID    Location     Source      (cm)      (g)      (ug/kg)     (ug/kg)     (ug/kg)      (%)

USGS-1         Upper       Wild         54       1448       <2.8         43          39        4.9
USGS-2         Upper       Wild         41       585        <2.5         23          24        5.7
USGS-3         Upper       Wild         46       841        <1.8         32          22        1.4
USGS-4         Upper       Wild         46       1000       <2.7         20          22        4.7
USGS-5         Upper       Wild         47       926        1.9          25          22        4.0
USGS-6         Upper       Wild         43       875        <1.8         16          18        3.3
USGS-7         Upper       Wild         43       860        <2.3         29          18        4.2
USGS-8         Upper       Wild         41       580        3.7          18          10        3.3
USGS-9         Lower       Wild         47       1041       6.1          18         6.3        6.3
USGS-10        Lower       Wild         49       1007       3.3          16         5.1        5.9
USGS-11        Lower       Wild         51       1330       1.5          15         8.1        3.4
USGS-12        Lower       Wild         48       1055       1.8          12         4.7        2.2
USGS-13        Lower       Wild         43       717         4           18          4         5.4
USGS-14        Lower       Wild         42       820         20          49         6.6        17.8
USGS-15        Lower       Wild         44       803        2.1         8.8         2.4        6.8
USGS-16        Lower       Wild         44       815        3.8          15         3.2        8.1
USGS-17        Lower      Net pen       58       2288        10          35          13        10.0
USGS-18        Lower      Net pen       36       522        0.86        6.3         2.5        5.2
USGS-19        Lower      Net pen       35       532        0.48        7.3         4.4        4.2
USGS-20        Lower      Net pen       34       444        0.5         5.1         2.9        4.2
USGS-21        Lower      Net pen       33       476        1.0          11         5.1        4.9
USGS-22        Lower      Net pen       34       579        0.48        3.3         1.8        4.8
USGS-23        Lower      Net pen       34       543        0.56        5.0         2.5        4.1
USGS-24        Lower      Net pen       34       472        0.4         4.8         2.5        4.0