The Lanthanum and Cerium Isotopes of Mass 137 (open access)

The Lanthanum and Cerium Isotopes of Mass 137

None
Date: June 15, 1948
Creator: Inghram, M. G. & Hess, D. C., Jr.
Object Type: Report
System: The UNT Digital Library
Supersonic Interception vs Subsonic Attack (open access)

Supersonic Interception vs Subsonic Attack

None
Date: June 15, 1948
Creator: Shoults, D. R. & Millikan, C. P.
Object Type: Report
System: The UNT Digital Library
Minutes of Meeting with Dr. Grebe of DOW Chemical Company (open access)

Minutes of Meeting with Dr. Grebe of DOW Chemical Company

None
Date: July 15, 1948
Creator: Stever, H. G.
Object Type: Report
System: The UNT Digital Library
Sand filter pilot proposal (open access)

Sand filter pilot proposal

This report is a short communication concerning the performance of pilot plant sand filters at Building 292-B at Hanford Atomic Products Operation. (VC)
Date: July 15, 1948
Creator: Stainken, F. A. R.
Object Type: Report
System: The UNT Digital Library
A Study of the Reactions Between Tungsten Dioxide and Difluorodichloromethane (open access)

A Study of the Reactions Between Tungsten Dioxide and Difluorodichloromethane

None
Date: July 15, 1948
Creator: Dinsmoor, A. & Young, H.A.
Object Type: Report
System: The UNT Digital Library
SULFAMIC ACID IN THE REDOX PROCESS (open access)

SULFAMIC ACID IN THE REDOX PROCESS

None
Date: July 15, 1948
Creator: Zebroski, E. & Feber, R.C.
Object Type: Report
System: The UNT Digital Library
Biological Effects of Radiation on Man: Discussion with Col. Cooney (open access)

Biological Effects of Radiation on Man: Discussion with Col. Cooney

This report addresses the biological effects of radiation on man.
Date: September 15, 1948
Creator: Friedman, F. L.
Object Type: Report
System: The UNT Digital Library
Progress Report No. 65 Aug. 15-Sept. 15, 1948 (open access)

Progress Report No. 65 Aug. 15-Sept. 15, 1948

This is a progress report on the following: (1) 184-inch Cyclotron Program; (2) 60-inch Cyclotron Operation; (3) Synchrotron Program; (4) Linear Accelerator Operation; (5) Experimental Physics; (6) Theoretical Physics; (7) Isotope Separation Program; (8) Chemistry; (9) Medical Physics; and (10) Health Chemistry and Physics.
Date: September 15, 1948
Creator: unknown
Object Type: Report
System: The UNT Digital Library
The Fission of thorium with Alpha Particles (open access)

The Fission of thorium with Alpha Particles

Soon after the discovery of fission, Meitner, Bretscher and Cook found differences in the decay of various chemical fractions separated from uranium irradiated with slow neutrons and thorium irradiated with fast neutrons respectively and suggested that a difference existed in the distribution of fission products in the two cases. In 1940, Turner suggested that the distribution in various modes of fission should be investigated. The fact that elements such as tin, cadmium, palladium, and silver were found in fast neutron and deuteron fission of uranium and thorium before they were found in slow neutron fission of uranium suggested that the middle region of the distribution was raised as the energy of the incident particle was increased. Since the compound nucleus formed in the fission of thorium with alpha particles is U{sup 236}, the same compound nucleus formed in the fission of U{sup 235} with neutrons, it is of interest to study the fission of thorium with alphas and compare the resulting distribution of fission products with that found with uranium with slow and thorium with fast neutrons. Any difference between the various results where the same compound nucleus is formed must be due to differences in energy content and possible …
Date: October 15, 1948
Creator: Newton, Amos S.
Object Type: Report
System: The UNT Digital Library
Radioactive contamination in the environs of the Hanford Works for the period April - May - June, 1948 (open access)

Radioactive contamination in the environs of the Hanford Works for the period April - May - June, 1948

This report summarizes the radioactive contamination measured at the Hanford Works and immediate plant areas for the quarter April, May, and June, 1948. Topics discussed are: Meteorology; airborne contamination; contamination in the Columbia and Yakima Rivers; and contamination in rain, drinking water, vegetation, and in Hanford Wastes.
Date: October 15, 1948
Creator: Singlevich, W.
Object Type: Report
System: The UNT Digital Library
200 areas contaminated particle discharge (open access)

200 areas contaminated particle discharge

None
Date: December 15, 1948
Creator: unknown
Object Type: Report
System: The UNT Digital Library
The Genetic Effects of Low Intensity Irradiation (open access)

The Genetic Effects of Low Intensity Irradiation

None
Date: December 15, 1948
Creator: Uphoff, D.E. & Stern, C.
Object Type: Report
System: The UNT Digital Library
100 Areas technical activities report -- Physics, January 1949 (open access)

100 Areas technical activities report -- Physics, January 1949

Activities covered in this report for the month of January are as follows: (1) power coefficient test of the F Pile; (2) control rod calibration; (3) investigations into reactivity gains possible by zoning the pile for metal charging; (4) polonium production under emergency conditions: (5) analysis of process tube ion chamber failures; (6) measurements of the thermal neutron flux in various pockets of the E Test Hole of the F Pile; (7) reactivity balance of each of the operating piles at beginning and end of this report period; (8) graphite studies; (9) pile shielding; (10) radiation measurements on a simulated D-R rod guide and rod; and (11) calculation of radioactive isotopes expected in cooling water.
Date: February 15, 1949
Creator: Gast, P. F.
Object Type: Report
System: The UNT Digital Library
Preparation of bismuth powder (open access)

Preparation of bismuth powder

The Purpose of this manual is to describe preparation of bismuth powder for use in process operations. Bismuth powder is to be prepared in Room 232 of ``T`` Building where all necessary apparatus is installed.
Date: February 15, 1949
Creator: Cox, G.C.
Object Type: Report
System: The UNT Digital Library
PREPARATION OF SAMPLES OF 42 WEIGHT PERCENT U-Al ALLOY FOR PILE IRRADIATION TESTS (open access)

PREPARATION OF SAMPLES OF 42 WEIGHT PERCENT U-Al ALLOY FOR PILE IRRADIATION TESTS

None
Date: February 15, 1949
Creator: Smith, C.D.
Object Type: Report
System: The UNT Digital Library
100 Areas technical activities report -- Physics, February 1949 (open access)

100 Areas technical activities report -- Physics, February 1949

Activities for the month of February are as follows: (1) calculations of reactivity and temperature limits; (2) calculations of operating levels of D pile if reduced in size; (3) symposium on power coefficients; (4) test of new vertical (safety) rods; (4) metal quality studies; (5) status of process tube ionization chamber failures; (6) reactivity balance of each of operating piles; (7) graphite testing; (8) water activity calculations; (9) pile shielding; (10) radioactivity of titanium; and (11) critical mass experiments.
Date: March 15, 1949
Creator: Gast, P. F.
Object Type: Report
System: The UNT Digital Library
QUARTERLY REPORT FOR THE PERIOD DECEMBER 15, 1948 TO MARCH 15, 1949 (open access)

QUARTERLY REPORT FOR THE PERIOD DECEMBER 15, 1948 TO MARCH 15, 1949

None
Date: March 15, 1949
Creator: unknown
Object Type: Report
System: The UNT Digital Library
[Office of Hanford Directed Operations events of importance for week ending April 13, 1949] (open access)

[Office of Hanford Directed Operations events of importance for week ending April 13, 1949]

This report details events of importance reported by the Hanford Operations Office for the week ending April 13, 1949.
Date: April 15, 1949
Creator: Schlemmer, F. C.
Object Type: Report
System: The UNT Digital Library
A design for a removable floor-drain grill and trap for use in radioactive risk areas (open access)

A design for a removable floor-drain grill and trap for use in radioactive risk areas

A design is proposed for a removable drainage grill and trap for floor drains in radioactive risk areas. One simple element provides free liquid run off, an air and fume barrier, and ready access for cleaning or replacement in event of contamination. Application may be made to existing and future untrapped drains.
Date: June 15, 1949
Creator: Olt, R.G.
Object Type: Report
System: The UNT Digital Library
Experiments on the Effect of Atomic Electrons on the DecayConstant of Be7 II. (open access)

Experiments on the Effect of Atomic Electrons on the DecayConstant of Be7 II.

A comparison of the decay constants of Be{sup 7} in beryllium oxide and in beryllium fluoride has given {lambda}{sub BeO}-{lambda}{sub BeF{sub 2}} = (+1.375 {+-} 0.053)10{sup -3}{lambda}{sub BeO} thus showing a definite effect of the chemical binding on the radioactive decay constant.
Date: June 15, 1949
Creator: Leininger, R. F.; Segre, E. & Wiegand, C.
Object Type: Report
System: The UNT Digital Library
Machining of Uranium for Brookhaven Reactor (open access)

Machining of Uranium for Brookhaven Reactor

None
Date: June 15, 1949
Creator: Kemmer, F. R.; Musgrave, T. P. & Fox, G. E.
Object Type: Report
System: The UNT Digital Library
P Division monthly report, May 1949 (open access)

P Division monthly report, May 1949

This progress report discusses activities for the P Division for the month of May 1949. The nominal operating level for both B and F Piles was 275 megawatts (MW) throughout the month except for outages listed under Area Activities. The D Pile operated at 275 MW until May 23 when the nominal level was raised to 290 MW in the first step of the program covered in Production Test No. 105-260-P to evaluate the feasibility of operating piles at higher power levels. A total of 44 tons of metal, at an average concentration of 285 megawatt days/ton (MWD/ton), was discharged from the piles during the month. Considerable difficulty was experienced during the month with stuck tubes containing Class IV (alpha-rolled, triple-dipped, randomly transformed) metal. A total of nine tubes with concentrations in the range of 320--370 MV/ton was encountered. As a result of these difficulties with the Class IV material, future discharges of this type metal will be limited to concentrations in the range 300--320 MWD. Approximately one ton of Class V (alpha-rolled, triple-dipped, completely transformed) metal was discharged at a concentration of 368 MV/ton for test purposes. Inspection of this material indicated that all the slugs were in satisfactory …
Date: June 15, 1949
Creator: Lee, Edward P.
Object Type: Report
System: The UNT Digital Library
Correlation of Critical Temperature With Thermal Expansion of Liquid Uranium Hexafluoride (open access)

Correlation of Critical Temperature With Thermal Expansion of Liquid Uranium Hexafluoride

None
Date: July 15, 1949
Creator: Rutledge, G. P.
Object Type: Report
System: The UNT Digital Library
[Office of Hanford Directed Operations events of importance for week ending July 13, 1949] (open access)

[Office of Hanford Directed Operations events of importance for week ending July 13, 1949]

This report details events of importance reported by the Hanford Operations Office for the week ending July 13, 1949.
Date: July 15, 1949
Creator: Schlemmer, F. C.
Object Type: Report
System: The UNT Digital Library