On the survey forms, the records were tagged by several codes:
LBL Archives and Records file number, National Archives and
Records Administration (NARA) accession number, and shelf location numbers.
Each number provides an access point for retrieval
of the selected records.
Pertinent records were further identified by the record creators, including division, department,
research group or individual.
Each record has been described by
the following elements:
title, size, media, arrangement,
classification, brief record series description, personal and

organizational

names,

and test site information.

The following division and departmental
testing and fallout documentation:

records contain

nuclear

ADMINISTRATION DIVISION
Business and

Office

Protective

Services.

Archives and Records

DIRECTOR’S OFFICE
The Business Manager’s Office (also listed as DC Files,
the initials of the Laboratory’s first administrative
officer, Donald Cooksey) was originally a part of the
Director’s Office. The Business Manager’s Office was
later installed as a separate division.
Since survey
records were created at a time prior to reorganization,
they can be

found under

than Administration.
Director Ernest 0.

the Director’s Office

Lawrence’s Office.

Manhattan Engineering District.
ENGINEERING DIVISION
Occupational

rather

Administration.

-

Health --

Environmental

Health a& Safety

The Engineering Division originally included Occupa-~
tional

Health or Health

of

Laboratory.

Engineering.

Occupational

Health was later reorganized as an individual division
the

Of

the

many

records collected,

we have inventoried and described only those records
relevant

to

nuclear

testing and fallout.

Health Physics Group
Safety Services

Personnel Dosimetry Office

Engineering & Computer Sciences R&D.
Facilities Management -- Medical Services

ii

Select target paragraph3