Table 3.8. Summarized Distribution of Mean Mercury Levels 
in Resource Survey Species (continued) 
Percent of U. Si. Catch2/ 
Percent of 2/ Intended for 
Range, ppm/ No. of Species Upson Gaiteh Human Consumption 
Mollusca, edible 
tissues 
Ce (0)ea 18 38 Ti 
Crustacea, edible 
tissues 
<oeal 6 6n6 Se7 
OR EomOs2 9 6.4 13)¢Z 
O52) E07 023 1 On 7. Tye 
TOTAL: S16 SiS 7/ 28.4 
1/ Mean analytical values falling on the upper limit of each range are 
included in the next higher range (e.g. 0.2 is included in the range 
0.2 to 0.3 ppm and not 0.1 to 0.2 ppm). 
2/ See page 12 for an explanation of these columns. 
3/ * denotes less than .05%. 
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