GLOBAL DISTRIBUTION OF TRITIUM 655 Table 5—- NORTH AND SOUTH AMERICAN TRITIUM CONCENTRATIONS, T.U. Station Location Labo- ratory Jan. Feb. CR 195 269 Mar. Apr. May June July Aug. Sept, Oct. Nov, 195 269 226 eid 90 64 169 317 275 223 120 1961 Goose Bay, 53°19 N Labrador Palmer, Alaska* 60°23'W 61°35'N 149°L0'W Whitehorse, 60°43'N Yukon Fort Smith, Northwest Territory Edmonton, Alberta Ocala, Fla,* Lincoln, Nebr.* GS 89 CR 182 135°04' W 60°01'N CR 53°34’ N 113°31 W 20°11'N R2°09 W 40°49'N CR 111°58' W 184 364 338 260 73 85 Gs 43 3&8 Gs 79 237 GS 29 6°41 W Menlo Park, Calif.* Flagstaff, Ariz. Waco, Texas 37°27'N 122°11'W 3§°12'N 111°40°W 31°37" o7°La Ww 51°42°5 57°52) W IA Grcennedal, Greenland 61°13'N 48°U7T W IA Goose Bay, 53°19'N CR Bethei, 60°47'N CR Stanley, Falkland Islands 55 145 IA [A 21 1962 Labrador Alaska Palmer, Alaska* Whitehorse, Yukon Fort Smith. Northwest Territory Edmonton, Alberta Albany, \. Y.* Washington, D.C. 60°23'W 1680 1240 1580 1600 456 498 566 915 905 1090 1130 1700 1490 1060 526 314 4z2 658 562 508 1140 1190 421 561 452 314 ote 911 556 536 341 S46 161°43 W 61°35'N 149° 0" W GS 394 336 762 595 1180 60°43'N CR 1010 1498 1030 1280 2120 2430 2040 1140 TAT 634 556 2570 1900 1RiO 1260 Tal 736 636 1940 2240 2000 1480 904 795 614 924 527 254 374 166 216 225 93 124 135°04’W 60°01'N CR 53°34'N 113°31'W CR 42°40'N GS 1200 GS 1150 111°5 8° W 73°49 W Be°55'N 1560 TTOOW : Hatteras, N.C. 35°15‘'N IA Ocala, Fla.* 29° 1'N GS 75°40 W 150 286 723 680 400 156 ae 1390 663 1760 1350 411 376 104 195 198 399 82°09 W Chicago, IH. 4ADaTeN BTA W TA 736 819 1250 1420 1060 Lincoln, Nebr,* 40°49 N 96°41'W GS 683 40 1460 1200 930 37°27 N 122°11°W 35°05'N 106°38'W GS 133 252 90 198 35°12’N 1A 655 647 1272 2040 2040 1340 31°37'N tA 601 375 970 690 467 400 1A 25 30 25 55 25 35 Menlo Park, Calif.* Albuquerque, N. Sex, * Flagstaff, Ariz. Waco, Texas Stanley, Falkland [slands 111°40°W 87°13 W 51°42’5 57°52’ W 1010 GS 570 560 523 535 921 396 590 $2 ib6 165 303 3e7 426 408 723 257 217 351 43 (Table 5 continues on page 656)

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