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PEACEFUL USES OF NUCLEAR EXPLOSIVES (PLOWSHARE) 73 is offering all nations the potential of harnessing the energy of nuclear explosions for accomplishing peaceful tasks that would otherwise be impossible or impractical. SAFETY IN THE PLOWSHARE PROGRAM (1966). 22 minutes, color. Produced by USAEC's Nevada Operations Office. For sale by Consolidated Film Inudstries, at $67.83 per print, including shipping case, F.O.B. Hollywood. This motion picture, which is a companion piece to the U3AEC film "Plowshare," documents the means taken to insure the safety of the public during experiments or projects in the U. S. program to develop peaceful uses of nuclear explosives. The film relates the effects of underground explosions to the varying purposes for the explosions and to public safety. Nuclear explosives, precisely controlled, are powerful, compact and relatively inexpensive sources of energy which may help produce oil and gas, mine minerals, dig harbors, canals, and mountain passes, and provide important scientific knowledge. Each of these applications uses one or more of the effects of nuclear explosions: heat, explosive force and radiation. The film explains that to allow for the safe and dependable use of nuclear explosives, each of these effects must be thoroughly understood. The effects, their safety implications, and the precautions taken for public safety are demonstrated. The film explains that technical advances in the design of Plowshare explosives make it possible to reduce to a very small amount the ra- dioactivity produced by an explosion. In cratering explosions, methods of emplacing the explosive underground result in the release to the atmosphere of only a small part of the radioactivity produced. In these explosions, as well as in explosions which are contained completely under the earth's surface, contamination of underground water supplies does not appear to be a major problem. Other effects of nuclear explosions — ground shock, air blast, and dust clouds — require safety procedures similar to those taken in many large-scale conventional construction projects. Site choice, weather selection, and, in certain cases, temporary relocation of in- habitants are precautions taken to insure the public safety. The motion picture goes through the steps that would be taken in any Plowshare project to protect the public and its property. The film shows the care and planning exercised in a particular project — from the ini- tial safety analysis, to advisory opinions from other government and independent scientists, to final review and approval.