fore Contract #7405~eng-26 LABORATORY OAK RIDGE NATIONAL que OPERATED BY CARBIDE AND CARBON CHEMICALS DIVISION UNION CARBIDE AND CARBON R a CORPORATION AED EES POST OFFICE BOX P ee ———_——— OAK RIDGE, TENN. May 23, Ree1/0 G OR | 7 OPENNET T NNEENTRY ___OPE 1951 | a oOo h BropenNet Date |e Not Authorized for Public Relegse Date ay Dr. George VY. LeRoy Radioisotope Unit Veterans Administration Hospital Hines, Illinois BEST COPY AVAILABLE Dear Doctor LeRoy: This is the arrival report on Operation Greenhouseanimals,.. The animals were unloaded on Monday, May 21. aA total number of mice received and transferred into individual cages with identity maintained is as follows: Unehielded; Easy 2,192 Neutron; xasy L51 George 132 Non exposed; stress control TOTAL 620 35095 Two trays, involving a total of 240 animals of Stations 71 A & 3, were upset before arrival. 212 of theee animals were caught, and their 7urther identity is lost except for age designation. They will be handled as unknowns of exposure groupe 71 A& 8. 39 mice of Tl A and KT mice of 7] 3 arrived with identity maintained. A very few of the animals appear in poor condition; the bulk is in excellant health. The approximate logs since the loading o7 the airplanes until today is as follows: Ho. in No. Lost 384 19 G32 285 2 8 Group Unshielded exposure at or above LD-50 Unshielded exposure below LD-50 Streas Controls Reutron * _ yy Tt i , ey a —~ +t my ON oe REVIEWER rai: les ty “Try “y ye NAMED tee fit . “ | oo 1 af ee La Dead 13 Lost ~ 4.9 0.7 0.3 2.9 te eee a. OEE —— eer fiw 1808 . “4 TeneSAEOFENESIYDC: RTT yy eoIZED co oy), ti op or NY o TES eyo’ wie! eh eh in | CRSshat Cane \ Coa nih HEC BRAG ETRE 7 ote R (SPECIE ener no® ARCHIVER