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Epidemiologic Studies

Y-12 Mercury Task Force Files


Progress Reports

Y-12 Production/Operation Records, 1955-1963

Location:

Active:
Inactive: Y-12 Records Center, Building 9711-5, Room 106

Access Restrictions: Secret/RD

Volume: 19 File Folders; 0.792 linear feet

Accession or Other ID Number: M77, M246,M247, M248, M249, M250, M251, M252, M253, M254, M256, M269, M585, M587, M588, M589, M591, M592, M751

Condition: Good

Container Number Drawers 5, 11

Medium: Paper

Scanning Suitability: Text is suitable for scanning; graphs, tables, charts, and photographs may not be suitable.

Duplication: May be part of the unclassified collection, see statement on page 12

Arrangement: Numerical by file code

Originating Office: Production Division

Finding Aids: Y-12 Mercury Task Force Database Printout; Mercury at Y-12 (Y/EX-24) Bibliography

Disposition AuthorityPermanent Collection

Series Description: This record series provides both quantitative and qualitative information on the operation of the lithium separation and enrichment processes in Building 9201-4 (Alpha 4) and Building 9201-5 (Alpha 5) between 1955 and 1966. The series consists of two subseries: 1) Shift Foreman's Logbooks, Alpha 4 and Alpha 5, 1955-1963 and 2) Operations Foreman's Logbooks, Alpha 4 and Alpha 5, 1955-1966.

1) Shift Foreman's Logbooks, Alpha 4 and Alpha 5, 1955-1963: This subseries provides information on the following aspects of Alpha 4 and Alpha 5 operations: daily feed pump and extract (1961); Alpha 4 decomposition (1956); instructions for Alpha 4 cascade procedures (6/1955-3/1957; 3/1957-12/1958; 12/1958-12/1962); instruction for power use in Alpha 5 cascade (12/1962-6/1963); instruction for Alpha 4 and Alpha 5 auxiliary operations (12/1957-8/1958); Alpha 4 mercury and alloy losses (5/1958-3/1961); and Alpha 4 and Alpha 5 salt and mercury sump losses (4/1961-11/1961; 1/1962-5/1963).

2) Operation Foreman's Logbooks, Alpha 4 and Alpha 5, 1955-1966: This subseries provides information on the following aspects of Alpha 4 and Alpha 5 operations: daily feed pump and extract (1958; 1960); Alpha raw data Colex reports (1956, 1957, 1959); Y-12 feed salt status (1955); standard operating procedures for Colex (1954); and daily production records of Alpha 4 and Alpha 5 cascades (1955-1966).

Data Elements: 8, 88, 115, 119, 120, 124


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