A network of appr oxim o¢ established across the «unt stations will be at Federa | remaining 144 thousanr approximately (5 thous > of 150 thousand station The Office 6 year 1963. Ing instruments reau re: 3 Government employers OCDMand AEC hase inexpensive horre beer TPO prety Such ins'rument- carbs, to estimate how itis safe tone 4 oar 10 lear et OCDMannounced last ot. radiatior instrurnents of two instrumerts | # + the ira hoe to meastre (]) dase rat a. han If roertper pe to more OCIM roentgen>s. «<b virg furnishire each State offer instrament) OCDM » mp ‘ disty pute, re tial must In under corsiderat.c: iar We continue te utilize than $29 odes uo 4 ra die, nd. ope « eau s vadit, os sirer-lrer 1 ore prototype developments combined with 4 ¢ an. to be - on-pletec thi: given by detector : imstrament i cle packapin, , purchase >t the research te a suitabl) aT oc : we one f oF ge t