BOCUMENT SOURCE Lawrence Berkeley Laboratory Archives and Records Office RECORDS SERIES TITLE Applied Science Division: Scientists’ Papers - Papers of William E. Siri ACCESSION NO. 434-91-0131 FILE CODE NO. 19-14-18 CAATON NO. 7 FOLOER NAME COPY Dr. Leo Meyer (Marshall Island Natives} NOTES FOUND BY ~~ Peny Hall oe Put 5 ec of plasma (or serum) in a vial with a crystal of thymol, and an identifying label. If convenient, store samples cold or frozen. 4, Be sure to get weight and height of subjects on day total body water is deternmined.. 5. Return the urine (and/or plasma) samples to me for tritium assay. We will determine the total body water values and mail you the results, One ce of our stock HTO contains about 350 pe tritium. Assuming a normal biological half-time for turnover, the accumulative radiation dose in a 70 Kgm. man 1s about 17 millirads. I still expect to leave for the Himalaya about the first of February, however, Mrs. Rosemary Hughes will run the assays and answer any questions you may have while I am away. Sincerely, William E, Sirt ec. R.A.Cunard, WES/pjb M.D.

Select target paragraph3