15. History of Task Group 7.4 (U)*** Task Group 7.4 July~Aug 1953 Installment Sept 1953 Installment Oct 1953 Installment Nov 1953 Installment Dec 1953 Installment Jan 1954 Installment Feb 1954 Installment Mar 1954 Installment Apr 1954 Installment May 1954 Installment Jan 1953-26 Jun 1954 Installment 16. Final Report Radiological Safety, Operation CASTLE, Spring 1954 2 volumes R.A. House JTF 7, Tech Branch J-3*** 17. Radiological Safety J.D. Servis Los Alamos Scientific Laboratory August 1954 (A04) AD A995 086* 18. Letter, Col John Servis Nov 1980 19. Operation Order 1-53 Hq JTF 7 20 June 1953*** 20. Radiological Safety Regulation NavMed P-1325 1951** 21. (Ret) WI-942 EX to R. Miller (U) Operations Orders*** Task Group 7.3 Number 2-54 Number 4-54 Number 5-54 Number 6-54 Number 7-54 Number 9-54 Number 10-54 9 Jun 1954 15 Feb 1954 17 Feb 1954 21 Feb 1954 6 Mar 1954 3 Apr 1954 18 Apr 1954 S-28-54-E SRD-117-54E SRD-128-54E S-163-54E SRD-188-54E SRD-251-54 SRD-281-54E *Available from NTIS; order number appears before the asterisk. **Available at DOE CIC. ***Not available. 416 (U),