ee Asof July 1953, SFO had security responsibility in a total of 423 security facilities throughout the United States—25 per cent of the facilities of the entire AEC program. Comprising this total were the 8 prime contractor operations at the field offices, and other contractors, subcontractors, and consultants whose contracts or work involved Restricted Data. AEC security employees engaged in program administration as of mid-1953 number 156; 53 engaged in general management, 45inpersonnel security work, 23 in physical security, and 35 in information and visitor control and other activities. Guards numbered 369, and couriers 67. For comparison, AEC security personnel in mid-1950 were: program administration 112, personnel security 29, physical security 22, information and visitor control and other administrative work 24; and there were 442 guards and 63 couriers. Los Alamos is the only SFO installation at which guards are or have been direct employees of the AEC; they are contractor employees at the other installations. Data as of July 1953, on prime contractor operations, at the SFO field offices (except Eniwetok, where the operation is hot amenable to this statistical grouping), are outlined as follows: Administrative and clerical contractor security personnel 121 Contractor security guards 673 Total personnel employed in prime contractor operations con- sidered in these statistics (not all of SFO) Plant or installation area in acres Number of buildings in areas Security fencing in feet Access doors and gates manned by guards 16, 979 430, 319 1,527 334, 125 158 Statistics for mid-1950 were not available for each category above. Those available indicate a total contractor security guard personnel for prime contractor operations of 959 and total personnel of 8, 250 employed by such contractors. Similar data on military participation in joint AEC-DOD test and development work are not available, but considerable staff and operational effort has been requiredin this respect. Comprehensive policies and detailed procedures have had to be developedto fulfill AEC security responsibilities, and the complex requirements in this area have beena major concern of the security staff during this period. ‘bd Security Survey System The great number of SFO facilities requires particular emphasis on maintenance of a system of continuous review, evaluation, and coordination of security programs and measures throughout the entire operation. Basic security servicing of subcontractor and consultant facilities is provided generally through the responsible field office, and the Of- ’ fice of Security staff provides comprehensive periodic surveys and evaluation ofall facilities. Formal reports are prepared on the results of each survey, and a "Satisfactory" or "unsatisfactory" determination is made, as prescribed by GM-SEC-9. Any deficiencies are, of course, given immediate attention and appropriate corrective measures are developed and followed up in a supplemental survey. (25