TabilerSiq//- Summarized Distribution of Mean Manganese Levels 
in Resource Survey Species (continued) 
Percent of U. S. cat ch2/ 
Percent of2/ Intended for 
Range, ppm No. of Species Wis Catch Human Consumption 
Mollusca, edible tissues 
0.1 to 0.2 1 « 3/ x 
O20) 10.3 4 OZ 0.4 
ORS=to70).4 1 * 0.1 
OR45to).0).5 il O55) 0.6 
OF Dmto) 0.6 AL * * 
O26) to. 0). 7 mf * (Owal 
0.8 to 0.9 iL * * 
aPAOMtO: \2:..0 2 Ws Pats} 
72.50) {Eto Siq0) 2: (Oa 0.1 
“esO EOD »O iL 0.9 1.9 
G50) tater 7/50) Zz 0.6 52 
TeORto- 8.0 aL On O53 
TOTAL: 18 350 TSS) 
Crustacea, edible tissues 
Ofds Eo) 0)..2 iL 0.2 0.4 
On 20" 0.3 2 0.9 1.8 
023) to 0).4 6 Sl 6.5 
OR4S Eo 01:5 1 * * 
OZ 5st) (0/56 1 Oey, ie) 
QaG (Eo) (05 7/ 2 Ure) 9.4 
Onto 0). 8 ik i Date 
OE o 2.0 2 Steal 6.3 
TOTAL: 16 IES}5.7/ 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 
OF2 £0) 0.3) ppmand not 0.1 to 0.2 sppm) 
See page 12 for an explanation of these columns. 
2/ 
3/ * denotes less than .05%. 
27 
