iat TABLE Comparison of Two Gummed Film Stations at Tokyo me/mi* of Strontium 90 Nb On O.21 0.22 * oo Station 820 $ QoogoorHOoOO 0.21 » Mat 0.53 0.55 « & Wwon 2 3.359 1.23 0.53 ° 1,21 a 0.37 0.87 ® 1957 Station 805 bE 1956 Month OaAnAUE WOH Year TABLEab. Comparison of Two Gummed Film Stations at Durban mo/mi2 of Strontium 90 » ° oo NO na 0.05 ooooo9g9000000 » » e e * ° . + SSE eSsekesyN BOOORSaERIE e » e « EHO a a a * # ooO°0o * COOCOCOOOCOO0O00 Q 0.23 ‘ i pa ae wee Kx m 0,06 0.19 0.29 bh Ww 1958 by pt DEG omaaurune ® On e C7 * . SeRS85ER coO0000°0 1957 Station 723 NetelAirport * Station 713 of