Energy and water development appropriations for 1986: hearings before a subcommittee of the Committee on Appropriations, House of Representatives, Ninety-ninth Congress, first session

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Page 623 - piers from low level liquid releases in the 1960's. Cobalt 60 is not detectable above background levels in general harbor bottom areas away from these piers. Maximum total radioactivity observed in a US harbor of less than 0.01 curie of cobalt 60 is small compared to the naturally occurring radioactivity. Comparison to previous environmental data
Page 609 - Gross gamma radioactivity in an energy range from 0.1 MeV to 2.1 MeV is expressed in terms of equivalent cobalt 60 and the resulting gamma data is analyzed for the presence of cobalt 60 radioactivity. Results of the sediment samples from harbors monitored by the Navy in the US and possessions for
Page 623 - Conservative estimates of radiation exposures to members of the public from the Naval nuclear propulsion program are far less than either the Environmental Protection Agency environmental standards, the guidelines of the Nuclear Regulatory Commission or the exposure from natural background radioactivity. 6. Procedures used by the Navy to control discharges of radioactivity from US Naval nuclear—powered ships and
Page 678 - Table 4 also lists the numbers of personnel who have exceeded the 3 rem quarterly exposure limit. In no case have personnel exceeded the accumulated limit of 5 rem f or each year of age over eighteen. The total number of persons who have exceeded the quarterly limit since the limit was imposed in
Page 621 - controlled functions such as transportation. Even the smallest audit findings are followed up to ensure proper recovery and permanent corrective actions are taken and to help minimize the potential for future deficiencies. The policy of the Navy is to provide for close cooper-- ation and effective communication with state radiological officials involving occurrences that
Page 686 - Protection in 1959 (ref 2), and was adopted for Federal agencies when President Eisenhower approved recommendations of the Federal Radiation Council May 13, 1960. Although the International Commission on Radiological Protection revised its recommendations in 1977 (ref 8) to raise limits for most organs,the Naval Nuclear Propulsion Program has not changed the limits. Source of Radioactivity
Page 658 - Eight shipyards were engaged in construction, overhaul and refueling of these ships. The benefits of nuclear propulsion in our most capable combatant ships have long been recognized, and our nuclear—powered ballistic missile submarines form the most invulnerable element of the United States strategic deterrent. Figure 1 shows that the total radiation exposure in 1984 is
Page 597 - in sea water, tne fuel elements will remain intact for an indefinite period of time, and the radioactive material contained in these fuel elements should not be released. The maximum rate of release and dispersal of the radioactivity in the ocean, even if the protective cladding on the fuel were destroyed, would be so low as to be
Page 670 - is repeated at least annually. This training is to ensure personnel understand the posting of radiation areas, the identification of radioactive materials, and not to cross radiation barriers. This instruction also explains that the radiation environment of personnel outside radiation areas and outside the ship or shipyard is not significantly affected
Page 585 - ABSTRACT The environmental, effect of disposal of radioactive wastes originating from U. S. Naval, nuclear propulsion plants and their support facilities is assessed. The total gamma radioactivity in liquids discharged to all ports and harbors from the more than one hundred fifty Naval nuclearpowered ships and supporting tenders, Naval bases- and shipyards was less than 0.002 curie in 1984.

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