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Machine-read from the scan, so expect some errors. Lines that couldn’t be read are left out.
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PRIVACY ACT MATERIAL REMOVED Clnsslflcatlon clianftcd to -------- SUBJECT: Procedure to be used by Tow^HwffifoS^ adniissable evidence for future Medical legal cases On Saturday afternoon, 7 July 1945, and I had a discussion -rl.th the claims officer for/Trinity project, about mat procedures should be used to JT.ia.ke your moni.toring records ad:missable as evidence in future Medical Legal proceedings* lie asked that you and your monitors keep as complete notes as possible in your own handdwriting to be signed filed a't'ffl.y by you for future reference. These notes can be written up more fully at a later date but in any court proceeding it is necessany to haw your original data. 1.Ve discussed the foll^dng measurements which you p^m to take and agreed that they should be handled in the tollo-^^g way: ( 1) Film which are sent out by registered mail to xsitartng t^owns* These Wll be sent out by one ofmen in Albuquerque who 'Will keep a carreful record of the n^mer of each fdlm, the place to which it is sent etc. He 'Will ^make sure that the fi^lms have not been ^tampered with by carefully exa^^ing their container and 'Will mail one out of each dozen to you in the Tec^^cal Area to be developed and kept as a control. You 'Will keep a record of the receipt and the development of these control films. The films will be collected in the various post offices by men 'Within five days after the shot. They rill keep careful records as to the registr.r nwber of the envelope and will place them in lead boxes which we will PRIVACY ACT MATERIAL REMOVED
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PRIVACY ACT MATERIAL REMOVED provide and give them to you in Santa Fe. You will keep a record of receipts of these envelopes in your own hand writing, -dll bring them to the Technical Area and will wither develop and return them yourself or at least be with| when this is done so that you can testify that the information is correct. It is important that you keep notes of the development and readings in your own (2) Stationary instruments which give jeanoocfc records: Careful notes will be taken by you as to when the instruments are turned on and off, as to when they were calibrated and as to the serial number of the instruments. You will also sign the records and mention the time, place and date. These will be collected by the chief monitor at various points in the shadow of the cloud five or more hours after the cloud has passed. They will be placed in marked, sealed bottles by the chief monitor who will sign his name to a label on the bottle and will be brought to the Technical Area to be turned over to the chemists for analysis, Hie chemists will keep careful record of the receipts.of the samples and -will save the final plates as evidence. If the samples are to 'be analyzed by in his uncontairdnated laboratory, arrangements will be made for to help collect them. It is also important that control samples be taken from the same areas before the arrival of the cloud because of the possibility of natural radio-activity in the (U) Observations of monitors other than Careful notes will be kept by each monitor as to when he leaves his station, exactly where on the road he stops, the time -when he first sees the cloudj on portable instruments AVAILABLE COPY UNCLASSIFIED
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PRIVACY ACT MATERIAL REMOVED its appearance, the *»**»£» of his meters exactly at**the time that the cloud is overhead* These readings can be verified and vouched for by the G-2 man mho will act as witness. The serial number of the meters will be kept and if possible samples of radio active material will be used to test the instrument immediately before the reading is made. These Jaratraximstat mil be signed by the monitor and then turned over to who -will keep them with his final re ports. Sometime in the future,the monitor will write up a more detailed report on these records. The instruments should be calibrated before and after in the presence of/.ho ’.will keep a record for each instrument* . (5) Notes to be kept by You will keep as complete notes as possible in your own handwriting as to the calibration of all instruments and your movements as you chase the cloud. These notes shall be signed by you and kept together with your final report of the entire incident. All of your records will be kept so that they can be used as evidence in future legal proceedings. You will be the chief ■.witness for Since you were not available for this discussion, I would suggest that you go over these details with both PRIVACY ACT MATER OVED