RADIATION SAFETY DOE/ERSP PROCEDURE NO. 6 DATE DRAFTED: 30 January 1978 APPROVED: 9 February 1978 by Don R. Martin (ERSP Manager) Sample Preparation Lab All work on open soil samples will be carried out under a hood. The operator will wear a disposable dust mask. When the screening of a sample indicates gross alpha activity concentration of between 100 and 400 pCi/g, the sample will be opened and processed under the high velocity hood with the operator wearing gloves, protective clothing and a half face mask. Upon completion of processing, protective apparel will be disposed of or monitored; immediate area and personnel will be surveyed; and the pertinent employees will wash their hands. If the screening indicates a concentration exceeding 400 pCi/g, the sample will be returned to the presenting organization with accompanying warnings and disposal recommendations or handled in accordance with DOE/ERSP Procedure No. 16. A-6-1