Attachment 13 C.L. Marshall, Deputy Declassification Officer August 15, 1947 Technical Information Branch L.F. Spalding, Chief, Insurance Claims Section DOCUMENT BY NICKSON SYMBOL: AECT-4 Returned herewith is document entitled "Effect of Single Dose X-Ray to the ILLEGIBLE Fold Area of Human Subjects", by Margaret Nickson. We have reviewed the subject document and see no particular claim hazard in its publication. However, since this appears to cover experiments conducted with human subject we trust that the necessary legal safe-guards were taken prior to the x-ray exposures. 1 Attachment: Subject document C.L. Marshall, Deputy Declassification Officer June 12, 1947 Technical Information Branch L.F. Spalding, Chief, Insurance Claims Section PAPER BY DICKIE AND HEMPELMANN SYMBOL: AECV-4 Returned herewith is copy of a document entitled "Morphotic Changes in the Lymphocytes of Persons Exposed to Ionizing Radiation" by A. Dickie and L.H. Hempelmann. We have reviewed this document and are unable to anticipate that the publication would precipitate invalid insurance claims against the Government and/or its contractors. 1 Attachment Subject document Distribution of copies Copy #1 & 2 of 3/Series A to addressee Copy #3 of 3 Series A retained in claims file