THATCHER, PAYNE, AND CAMERON 654 Table 4— EASTERN ASIAN AND PACIFIC TRITIUM CONCENTRATIONS, T.U. Station Location Labo- ratory Jan, Feb. Mar. Apr. May June 70 30 120 40 14 12 July Aug. Sept. Oct. Nov. Dec. 1961 Pohang, Korea Tokyo, Japan" Manila, Philippines Kaitoke, New zealandt 36°03'N 129°23'E 1A 29 35°41'N UC and 14°91'N TA 41°S NZ 139°46'E 121°00°E IA 18 11 11 8.9 5.1 273 569 Pohang, Korea Tokyo, Japan” Midway Island, Pacific Hilo, Hawai Wake Island, Pacific Johnston Isiand Christmas Island Canton Island 56 56 46 30 30 50 80 23 35 10,7 9.6 226 329 220 380 160 7.7 7.7 10.6 16.9 51°53°'N 176°39 W 36°03'N 128°23’E 35°41'N 138°46'E 26°13'N L7T°22°E 19°44°N 155°04°W 19°17'°N 166°3SYE CR 16°44’N LJ 02°00'N LE 157°24 W 02°46'S LJ 169°3 LW 587 489 477 271 196 1él 236 224 205 IA UC and 1A LJ 690 330 LJ 53 130 190 220 78 103 70 75 77 LJ 17 14 70 43 32 25 44 26 33 21 27 27 42 39 22 23 19 27 46 1$ 9.9 29 26 13 10 6.6 3.5 4,2 13 26 6.0 6.6 LT143'° Ww Kaitaia, New Zealand 35°09°S ISITE Australia Kaitoke, New Zealand7 144°58'E 41°S 175°E Melbourne, 1963 Adak, Alaska Pohang, Korea Tokyo, Japan" 37°49S$ 51°53'N 176°39' W 36°03'N 129°23'°E reer NZ 11.6 16 CR 562 &30 869 1770 2650 IA LJ Wake Island, Pacific Johnston Island 155°4° 1S17'N 166°39'E 16°44’N 169°31'W Kaitaia, New Zealand 35°09'8 LIBITVE Kaitoke, New 41°S Zeaiandt 175°E 1964 Pohang, Korea Tokyo, Japan" LJ NZ NZ 35°41'N TA 24 3960 3420 2580 1510 549 952 766 1410 1760 1940 950 990 980 60 95 187 655 730 64 90 i154 224 32 134 55 164 54 74 14 806 E71 970 790 $206 321 412 255 147 159 250 373 232 17& 102 BE 225 254 242 281 191 189 180 128 19 3.5 1i 5.6 10.6 16 13 11.2 1270 868 1230 666 811 ——_— . 183 8.6 21 663 450 &2 bE be 15 12 6.6 12 5.5 26 55 34 44 21 tl 10.6 960 UC and 18.4 1680 IA LJ 193 1120 78 30 13.6 700 LJ 36°03'N_—sJA 129°23’E 139°46°E 25 6.5 LTT°22 E L9°44'N 171439 W a.5 9.5 Pacific Hilo, Hawaii 13°29 N a 9.8 Midway [sland, 144°48'E 02°46’S 15 NZ UC and [TA LJ Mariana Canton Island 15 NZ 35°41/°N 139°46'E 26°13'/N Guam, 100 175°E 1962 ‘Adak, Alaska 16 955 715 *University of California at Los Angles data (1961-1963) adjusted for evaporation and counter calibration. +Original data not by month, data adjusted to monthly schedule. 10

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