Oven a superficial survey of the individual croup reperts indicates that .cenl problems contiaued to reeeive careful attention. Shiguests ef ecuree material to (M-10 eve been resuned and further Baye Canyen qpepetions care anticipated within the emming aemth. dn April 23 a somsidereble part of the “ns; erite Leaboratery bene seriously camtemionted Grem «a leaking soures eantainer. ‘hrve aan and their elothing were completely eomtamimated, as was an entire warebruse and its equipment. i wereful survey imiieated thet there bed bees w absorption of aetive material. -t wes neeaseary, hevever. to devote appruximtaly wo veeks to deconteminating procedares. <aereful reeamenmdations nave 2sem sede which are boped vill pre vent any sept ef rupetitios. The industrial sesident experience cf the waboretery ecutinues to be favorable. Dering the period Jamary 1 to May 1 there beve been four dieshling injuries with an everage ef 6.3 days lost per injury. It ean be painted out wits sride that the reogrd also ehows the emliest amber of moter vehicle gecidents fc~ exy mosth in the Laboratary'+ Sstary - « total of three acsiiants 4uwolving a tetal evet of 069.00. Ymmbers of the reseereh croup ‘sve contimed steady progress. ‘he Organic Zection bas eupleted the ayzthesis of Vitam: I labeled with C4, ond the Sloehbenistry Sestian bas qubsitted for deelassifiastion and publication a paper on the abeerption, retestion, ami amsretios of tritium. “a this paper telerence Levels are prepesed and thare .s no reason o fea) that these Sligures vill not be seeapted by the Division af Mology and ‘edicine. ‘The proposed levals are as follows: for tritium as RTO in inspired air: 6 x LO” meee. Yor tritius as HT in inmmpired act -i- ().> svayae. 00131125 002 1Ob4S)1 LANL