Table 3.13. Summarized Distribution of Mean Tin Levels 
in Resource Survey Species (continued) 
Percent of U. S. Cat ch2/ 
Percent of2/ Intended for 
Range, ppme/ No. of Species Uemonn Catich Human Consumption 
Mollusca, edible tissues 
0.3 to 0.4 1 x 3/ * 
0.4 to 0.5 2 IEG) Bjoak 
0.5 to 0.6 3 IEG CSOD) 
0.6 to 0.7 4 0.9 1.4 
Of7 to 0x8 2 0.2 0.4 
O73 ito 029 2 * * 
ORO to: 30 1 * * 
USO Eoy e725 (0) 3 * * 
TOTAL: 18 3.8 Ths 
Crustacea, edible tissues 
OFGntO O17 > Did ES 
Ov, to O08 4 Ak) 3.0 
ORSSto 0). 9 4 Lf 2) 10.8 
ORD to 130 2 2.6 33 
ONO) 230 1 * * 
TOTAL: 16 Ded 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). 
/ See page 12 for an explanation of these columns. 
/ * denotes less than .05%. 
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