x 10. Ltr., Col, Kieffer to Hertford, 21 Mar. 1957, DF, Plank to Graves, 2h Apr. 1957, subj.: Col. Kieffer's proposal for the Decontamination of Sampling Aircraft, see App, 12, ‘Ltr., T. L. Shipman, MD, Health Div, Leader, LASL, to A. C. Graves, J-Div. Ldr., LASL, 29 Mar. 1957, subj,: Decontamination of Aircraft at Tests, see App. 13. Rpt., "Radioactivity in the Cloud Produced by an Atomic Bomb Explosion, Operation SANDSTONE," prep, by Herbert Scoville, Jr., Lt. Col, J. J. Cody, Jr., USAF, and LCDR E. BR. King (MC), USN, TG 7.6 Proj. Rpt., 30 June 1918, pp, 20-21, A report which members of the 1,926th Test Squadron (Sampling) relied heavily upon had been published in 1953 by the United States Army. See, "The Penetration of Atomic Clouds by Aircraft," prep, by Maj. Payne S, Harris, (MC), USA, 17 Aug. 1953, see App. Ltr., Col, Karl H. Houghton, Actg, DCS/R&D, to Ch., Human Factors Div., Dir. of Rsch., ARDC, n. d., subj.: Activities Report, see App. 15. DF, Gordon L, Jacks, Cmdr., TU-7, to William F, Ogle, LASL, 23 Oct. 1955, subj.: Dosage Limitations for Aircrews Flying for Hal Plank, see App. 16. Current regulations essentially bear out Dr. Plank's concern, see, SOP #6661, "Survey and Decontamination of Aircraft," n.d., SOP #66-62, "Aircraft Decontamination," n.d.3 and SOP #66-63, "Aircraft and Equipment Decontamination," n.d., all prep. by Capt, Robert J. Booth, 1211th Test Sq, (S), all in Nuclear Applications files, 121lth Test Sq. (S). 2h SWEH -2-003); [0 Ne. Cc AFWL/HO ont et