...43 exposures to excessive concentrations of radioactive material during the years l97l through l976. of particles of a size comparable to cigarette smoke....also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...atmosphere through hiah efficiency filters which have been tested to remove at least 99.95 percent -21of particles of a size comparable to cigarette smoke....also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...ventilated through high efficiency filters any time work which could cause airborne radioactivity 1s In progress inside an area such as a reactor compartment....also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...to be performed regularly in radioactive work areas. Any time airborne radioactivity above the linit is detected in occupied areas, work which might be...also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as th« first line of defense...

...might be causing airborne radioactivity is stopped. This conservative action is taken to minirrize internal radioactivity even though the Navy's airborne...also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...or bags are used. The areas inside these containments are ventilated to the atmosphere through hiah efficiency filters which have been tested to remove...also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...regularly in radioactive work areas. Any time airborne radioactivity above the limit 1s detected 1n occupied areas, work which might be causing airborne...also trained to use masks when airborne radioactivity 1s detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...regularly In radioactive work areas. Any time airborne radioactivity above the limit is detected 1n occupied areas, work which might be causing airborne...also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...above the limit is detected 1n occupied areas, work which might be causing airborne radioactivity 1s stopped. This conservative action is taken to minimize...also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first line of defense...

...occupied areas, work which might be causing airborne radioactivity Is stopped. This conservative action 1s taken to minimize internal radioactivity even though...also trained to use masks when airborne radioactivity is detected, however, masks are seldom needed and are not relied upon as the first Une of defense against...