Document Details

Health Division and Biological Section of Research Division Report from November 15 Through December 31, 1945
Subject Terms:
1945, health physics; 706-D Building, lethal; ORNL, medical, biological; external beta rays, barium; report, contamination
Document Location:
DOE INFORMATION CENTER 1 Way, Oak Ridge, TN 37831; Eva Butler; Phone: 865-241-4780; Toll-Free: 800-382-6938, Option 6; FAX: 865-574-3521; Email:
Document Categories:
Health, Safety and Environment\Worker Health and Safety; Science and Technology\Biology and Medicine; Specific Material\Plutonium
Document Type:
Publication Date:
1945 Dec 31
Declassification Date:
1956 Nov 05
Declassification Status:
Document Pages:
Accession Number:
Document Number(s):
MonH-44, Copy 12A
Originating Research Org.:
Clinton Laboratories
OpenNet Entry Date:
1998 Jun 16
This document contains the report for the Health Division and Biological Section of the Research Division from November 15 through December 31, 1945. The clinic is still short of nurses. The accident rate has remained about 1.9 (injuries per million manhours of work) during the last three months which is somewhat lower than the previous three months. The sanitary conditions in the cafeteria have shown a marked improvement. The medical records of all Monsanto Clinton Laboratories employees are being copied by a photostatic process so that an entire record will be available at Clinton Laboratories, and the originals will be forwarded to Chicago. The decrease in general contamination in the laboratories of the chemistry building is very gratifying. Hot run number six started on 11/23/45 in the 706-D Building. Six air samples counted higher than the beta-gamma tolerance level of 10,000 c/m for a half hour collection at a rate of 11.5 cubic feet per minute. Part of the cause of the high air activity was due to the lack of proper sink traps. The pile exit duct was entered during a shutdown on 12/6/45 in order to make a survey to determine the advisability of making repairs inside the pile chimney. Some of the loose Cellamite removed from the chimney was very radioactive as indicated by a reading of 1 r/hr, and a decay curve showed the activity was due to radioactive sodium. The cellamite contains sodium that had been exposed to a beam of thermal neutrons from the back face of the pile. Two analytical procedures for recovering traces of product in urine are being investigated and involve direct precipitation from the urine. Both methods, BiPO-4 and Ca (C-2 O-4), give a recovery from low level plutonium spiked urine of better than 80 percent. In investigating the lethal effects of external beta rays on mice, an experiment was completed showing the effect of the energy of the beta particles. It appears that the lethal effects of different types of beta rays can be predicted on the basis of the total energy absorbed. Tests were conducted to determine whether the lymphoid tumors produced by gamma, fast neutron and slow neutron radiation are transplantable in order to obtain a better understanding of the degree of malignancy of these tumors. A number of growths which were classed as malignant lymphomas were removed and small pieces transplanted by sterile technique to the peritoneum of normal mature mice. Some of the transplanted tissues continued to grow profusely while others died out. The reason for the failures may be faulty technique, selection of the wrong stage of malignancy or that these tumors are non-transplantable.

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