Attachment 13

     Aerial Survey of Radioactivity Associated with Atomic Energy
Plants, Oak Ridge National Laboratory, excerpt.

                AN AERIAL SURVEY OF RADIOACTIVITY

              ASSOCIATED WITH ATOMIC ENERGY PLANTS


                               BY

                           F.J. DAVIS
                           [ILLEGIBLE]






                  OAK RIDGE NATIONAL LABORATORY

                           OPERATED BY

            CARBIDE AND CARBON CHEMICALS CORPORATION

                             FOR THE

                    ATOMIC ENERGY COMMISSION


R433746754
                              -154-

                                                       ORNL-341


Here in outline form are some items of historical interest in
connection with this project:

Personnel who regularly participated in project flights:

Technical Advisors:      Dr. Francis J. Davis and Paul W.
                         Reinhardt of the Oak Ridge National
                         Laboratory

Meteorological Research: Paul A. Humphrey of the U.S. Weather
                         Bureau

Air Force Flight Crew:   Jesse M. Walker, Capt., Aircraft
                         Commander

                         Robert L. Kane, lst Lt., Co-pilot and
                         Weather Officer

                         William E. Harlan, 1st Lt., Project
                         Officer

                         Ned B. Walker, M/Sgt., Crew Chief

                         All Air Force Personnel assigned to
                         2078th Air Weather Sq. (Spec) Fairfield
                         Suisun AFB, California

The Aircraft:            C-47 Ser. No. 44-77263

                              -155-

                                                       ORNL-341



Project Begun:      17 November 1948 at Oak Ridge, Tennessee

Project Completed:  16 March 1949 with conclusion of work at
                    Hanford Works, Richland, Washington

Total Flight Time
For Project Data:        58 hours

                              -156-

                                                  ORNL-341


                  Chronology of Project Flights


          Duration       
Date      Hours/Min      Purpose*       Limit of Return
-----------------------------------------------------------------
----

                            OAK RIDGE

Nov. 17   2:30           a                   0
     20   1:30           a, b                0
     30   3:00           b, c                0

Dec. 1    1:30           b, c                2 mi.
     2    1:20           c                   5 mi.
     8    2:50           b, c, d             1.5 mi.
     17   1:35           c, d                1.0 mi.
     31   2:50           b, d                2.5 mi.

Jan. 6    4:00           c, d                3.0 mi.
     7    4:00           c, d
     11   3:00           c, d                15.0 mi.
     14   2:25           c, d, f             8.3 mi.
     15   1:15           c, d                8.0 mi.
     20   2:45           *                   ---
     27   1:10           *                   ---

Feb. 1    2:00           *                   ---
     2    1:40           *                   ---
     3    1:55           *                   ---

                                                       P-43-156

                              -157-

                                                  ORNL-341


          Duration
Date      Hours/Min      Purpose*       Limit of Return
-----------------------------------------------------------------
-----

Feb. 7    2:00           *                   ---

     8    3:00           *                   ---

                             HANFORD

Mar. 2    2:00           d                   ---

     3    7:30           d, f                ---

     4    2:30           d                   2.0 mi.


a.   Initial check of instruments to determine response in the
     undeveloped form in which the instruments were installed.

b.   Check on progress of instrument development as performed
     from day to day in laboratory.

c.   Comparison of limit (linear and vertical) of detection of
     instruments.

d.   Measurement of dimensions of radioactive cloud. 
     Determination of shape of cloud.

e.   Obtain air samples and expose filters for filter efficiency
     research.

f.   Expose filters for possible particulate contamination.