Document text
Machine-read from the scan, so expect some errors. Lines that couldn’t be read are left out.
Page 2
Ray Pederson and Jerome hmuer have mdlc in teat tent =pa t0 Nevada t o work on Project 400. , 1. Since the plutonium critical it y accident at 4:35 P.M. am December 30, 1958 a t DP, much time has been spent by J h Lawrence i n tebulating and evaluating the exposure data f o r some 180 individuals. This data has been taken from cal:ulrtlmr, 60e x po sues at Godiva, re-enactment with a Co source, 200 nucleet track films were interpreted for neutrons and recei-ced 34 wc,/L. The pressure on zhe target was and planted film badges. Sane and additional gumm calibmtione L gold cup containins 1 5 c s of :tr area shortly thereafter 100 lbs per square inch. Since this incident a brief meeting was held t o discuss preventive measures. main prevention would seem to be the pressure test for each new type t a r g e t . 1. The calculated total rez, exposures t o %ppa Sit? and Kiva 3for the - h ~s::rfs-;e dose is estimated t o be oetween 80 md 33 r,,fhr. the b x l l d k ; no =ontamination has been detcczeci *,,-Ftn ?:.c exception of E few thocssnd =O'-=S per minute on the edgc of the hood ICl i o o ~l::.-i25. sti rates Zppezr t o be about 2.5 rer. per year. I;?tra:Fng pro eek ze s at P-4. Thi: is Sesed on the crvrent Should :he C be IncreasrE, so w i l l the radlstion level. 5. ?oilaGins the DP :lest IncidaDt geste re q has is has been placed on
Page 3
- of the mrin buildiaq at Ten Site, is schtduled to go critic el vim a few wctkr, Morris EageUre vu rui ped the task of est.bUirhing the n.ponrltdllties of the Monitoring Group .nd the opcrrtlng graups of K Division. -9- 126 where L?35 solutiaru are being qltakd. The first line involves 5-2 BuildfnE where up to 2.5 mr/hr vas found 011 the PiparK O soil has been f d contaminated t o date. I t is expected tht the old line ID the F siK part o f TA-1 will present nore difficulty. La-.ol;.es the study of neutron zwltipli-ation xpon brin&ing a neutron source In close proxixity to the assezbly. ectivity will be cmducted. 9-38. The routine air 8amplc and contamination checks a r e being msdt by E-1. So f e r 25 boxes have been returned to OR?&. i'? t o 7.5 r,'hr was measured on the D ring and some of the cacponents had 20,000 c/m bein5 made to have t h e alpha spectrum analyzed. The body content of Zn-65 increased after this rollback. Film bdgts have bear 7 . The health prccautioas relatine to the handling of a banb camponent b;v S ~ me ill anc efor alpha contamination curd airborne 8. A&n oI1R, hu amp of people Wsrkiog i n the Presr Btal- with 9. Another, cyclotron rollback was acccoplished on January 19-20,.1959. _- ?he presence of the alpha still reasics any ster y and an attempt i s 1. I n coapcration with hIan4n Van Dilla of H-L, work ha8 been prmepusring tward a more a c c m t e calibration of the radon breath counter. Fran the standards sugplled it was evident that the counters were rebding too lw. this vork is i n preprration for counting six more radium dial painters. The request c a m to Dr. Shipman fran MI?. The purpose of Three persons from Sandia Corporation were here to discuss 704 programing for f i l m badges and film badge evsluation.
Page 11
Radioactivity levels in the plant area a d of tbe xwwaste vere Diecm of a hi& mum cfmttnt raffioate result db the claw of one of the 2-inch skinler8 s t e e l 'lines to the plant. :he salts crystalliced La the cold line. the process a ccmaidcrsble .mQunt overflaved at the giant influent line. lLaterial i s believed to be responsible both for high eir counts and exctsrive effyient activity in the n e dey or LWO. The line was cleared by nU8hing but It uas necessary t o recirculate about Xe vert iaforned that very little of The Ten Site plant h3s keen operated 02 a lizited besis bc5 ef%!eat invest is fad in UL -tory. a. TA-35, Ten S i t e . Laboratory work to dcvelop means of improving eff kent qdslity is continutns. Suspected deterioration of resin was not conflrnrsd1 Prelinlnary desi@ vork on ;he new Ten S i t e Dlant is complete sad a 4.,>a1 3cck priats will be subzltted soon. a. Roritinc Laborator:. Assay of Laundry rav weekly composite sampler Further studies have been conducted em the use of parsformaldrblydc were Eomal f o r the period. ir? the destruction of 8N nitric acid in wastes a t 6O'C. is ?robably fomic which is produced by partial oxidation of formaldehyde a t law An induction time of A final concentration of 2.9 N acid can be reached Of this the residual FXO, is only 0.076 1:. The remainder of the acid - b. ProJect Green Thumb. An abstract of a paper reporting the results Chmi&, Society and accepted f o r presentation a t the 135th Rational Meeting.
Page 12
bacteria obtained trOa rat feces h v c been "fed" TRT at
The text continues in the original scan (13 pages).