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The two op rations (Kay and Unalo) were oonsofidated on October 16 and combined (air) aampllng uaa begun during the wodr of Ootober 18. the consofidation of firing sites was made to rsfieve the Livermore assembly productlm taneouSly analy%8edby tho two methods. This also affords a botter opportunity to ovaluate the two techniques. Inspection of t h u tabulated data shows no airborne borpllium above the 2 micrograms per cubic meter eetabllshed by the AEC as tho d m u permlasiblo concentration f o r an dcrograms of borylliun. Tho blank dO to dM tiOn &wed lesa than this threshold value. Ab samples m e sanewhat arbitrarily reported an leas than 0.1 microgram per cubic meter. In cases vhorc largo volumes of a i r w e r e samplod tho calculated concantration was much below the reportod value! howevor, tho minlmxa concentration has boon maintained as a de ty factor to tako into considoration these sensitivity llmitatione. Ilium monitoring program that two or three w e d would be sufficient to establish the uorkhg concontration and tho probable health ha& to be expeatod. O p ~ mthat them is no apparent health ha& a t Kay bunker based on operationr to &to. However, aince Septomber 23, 195L thoro has been an W e t constant change in qmrhentsl sitas and firing conditions. Inq cases the ds ten a e OS two flrlng dtes ulth concurront firing achedulo,makos it difficult for one man to collect the It might be pointed out that Inth ~present afiangoment single aseemblles are dupplled, fired and aimulThe lower sensitivity for the spectrolpaphic technique is about 0.005 It Las h o p d a t the autset of Health Chemlatxy's participation in the preaont beryIt is the wrltar's Re: Result s of 'ha Berplllum Modtorinu Proeram a t New@ Rovlw Groundq Soil samploa indicate a potential beryllltrm build-up haaard. To date alr sampling shows no beryl ll m in air concentrat'on above NC t o ~ cmce. possibillty, Health Cheraistrg personnel viU. be required a t the site in accordance uith the schedule includod i n this report. Because of this latt cr This nmorfuxium is a aummy of analytical results obtained to date for bor y ll hn based on snmploe collocted a t NFG. Both air a d soil samples have been collect dl the l a t t o r sampllng program was designed to deteat the possible build-up of beryllium 011
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required air samples. uled "Sugart84bout one mile duo north of w. involving beryllim eucperhanta using polonium are planned for N mm ber (Teabag). Theae matters are brought to your attention to support OUT present boll& that Health Cheudstq will require representation a t Npo for the balance of tho curront yoar on strictly airborne p r o b l w both radiuaative and hazardous chemically. We belleve it dwirablo that a t leaat one more rmul bo made available irrmediat&v to rotate with Mr. J. 8 . Prindle. The following sahedule is attached for pur appropal. Next month a third program Involving berpllim is achedIn dtion to these problem0 Health Chemistry Personnel raquired a t HPG