information the Commission would’ check on possible previous hearings, ete. This often accounts for délays: in-reaching clearance ‘decisions. Clearance Clearence is never denied without a hearing, unless the employer's ‘request is vi thdrawn. If clearance is denied a local board, the individual Details has the right to have his case gone over by the Personnel Security Review Board, which will then make a recommendation to the office of the General Manager. If a Manager of Operations disagrees with the result of a hearing, favorable or unfavorable, he’ may take it up with the-General Manager.-: The General Manager may refer a doubtful case to the PSRB, check with the Commissioners, He may sometimes In any case, final authority to grant or refuse clearance rests with the General Manager. Dr. Rabi asked about the policy in regard to using unclearable people Security for unclassified work. Mr. Williams said this could be approved for Risks in Un- unclassified work not at the National Laboratories, However in the National classified Work Laboratories special consideration has to be given to the danger of leaks, to the fact that visitors may assume a man is 0.K,, and so on, The local manager would have to consider a case very seriously before granting P approvel to a person with substantial derogatory information in his record, He (Mr. Williams) felt that such a person should not be employed at a National Laboratory. The following points were brought out in the remainder of this discus- - sion. Only about 0.6% of requests for Q clearance are turned down. Clearances which have been in effect for several years are réchecked; sometimes one is revoked on the basis that derogatory information has been picke up by the FBI, If a clearance has been declined or revoked and the Ce VOF ARCHTYEG pom BeeOe

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