Table IV. Mineral Elements of Nutrition and Other Elements of Interest and Their Occurrence in Sea Water and in Sea Foods Sea water!) PPM Sea foods, 2) edible portions PPM Fish muscle?) or soft parts PPM Concentration in fish muscle, median value Fallout radioisotopes A. Mineral elements of nutrition (man)2) Chlorine Sodium 18, 980 10, 561 Magnesium 480 - 10, 000 1,272 Sulfur Calcium Potassium Bromine Fluorine 884 400 380 65 1.4 05 Iodine .001 -,10 Phosphorous Iron 002 -, 02 Manganese Zinc .001 -.01 005 .001 -,01 Copper Cobalt | ? 80 1,100 - 1,000 - 4 - <i - 3, 860 5,600 8,910 70 37 300 - 2,410 300 - 1, 680 Zi 41 1,320 - 2, 340 100 - 3,036 1,900 - 5,160 ? 4 34 2 4 9 --14 680 - 4,600 52, 000 37 3, 700 100 - 4, 520 41-2? £1- <i - <1 2- gl - 56 252 47 1+ 2 270 isl, 132 2, 500 Fe, 59 25, 000 4,900 Mn°4, 56 zn65 3, 200* Co°7?, 58, 60