DOSE RATE METER--A RADIAC instrument used
ELECTRON--An extremely small particle of matter
that orbits the nucleus of the atom. It has a negative
to measure dose rate.
DOSE RATE/SURVEY METER--The device that
EMERGENCY CIRCUITS--Used to provide a
measures radiation intensity. This device provides
casualty has occurred to the primary lines.
hazards of occupying a contaminated area or
handling contaminated equipment. It also provides
E M E R G E N C Y OV E R B OA R D D I S C H A R G E
the information necessary to calculate the
CONNECTIONS--The emergency overboard
discharge connections, port and starboard, are
approximate length of time personnel can safely
installed through the hull of each main transverse
subdivision on the damage control deck.
DOSIMETER--A RADIAC instrument used to
EMERGENCY WATER ACTIVATED REPAIR
measure the total dose received from exposure to
PATCH (EWARP)--A unique and easy to use pipe
patch that can be used on many piping systems. The
DRAG FORCE--The dynamic force of wind that
EWARP comes in a clear plastic package that
tends to pull down and displace structures and
includes a foil package containing the instant repair
personnel. Drag is a directional force.
resin-coated cloth and a pair rubber gloves.
DRILL CRITIQUE--After each training evolution,
EMP OR TREE DAMAGE--System degradation in
the training team must conduct a debrief. It is
electrical or electronic equipment that requires
necessary for the training team to discuss and
repair or replacement of damaged components. It
document a list of "Lessons Learned."
can be caused by electromagnetic pulse (EMP) or
transient radiation electronic effects (TREE).
DRILL GUIDE VALIDATION--Accomplished in
EQUIVALENT CRITERIA--The measurement of
three parts and must be conducted before its use in a
equivalency, which is a judgment based on the
drill package. "Walk-Thru" is the process of
preponderance of information available.
verifying "Cold Checking," and "Hot Checking."
EXERCISE CONTROL--Includes initiation of the
D RY C H E M I C A L E X T I N G U I S H E R -- U s e d
exercise and provides responses to watch
primarily on class BRAVO fires. PKP is the
chemical most often used in these extinguishers.
E X H AU S T V E N T I L AT I O N -- R e m o v e s c o n -
taminated air from a compartment or space so the
usable range of 10 to 600 R.
fresh air finds its way into the space through any
DUST--A solid, dry mechanically produced particle
resulting from operations, such as sanding and
EXPLOSIVE RANGE--A scale that indicates the
ex p l o s ive n a t u r e o f g a s e s o r va p o r s . T h e
DYNAMIC OVERPRESSURE--The strong winds
relationship of the concentration of the vapor
present; its temperature and pressure is expressed as
that accompany the air blast front that expands
a percent by volume in air. If the explosive range
outward from a nuclear burst. They exert a
falls below the lower explosive limit (LEL), the
directional force that tends to drag exposed objects
mixture of air and vapor is too lean for an explosion.
and personnel along with it.
If the explosive range is above the maximum
E A R LY FA L L O U T -- F a l l o u t f r o m a n u c l e a r
explosive range or upper explosive limit (UEL), the
explosion that falls to the surface within the first 24
mixture of vapor and air is too rich to be explosive.
hours after the explosion.
EXPLOSIVE-PROOF--Describes an apparatus,
E L E C T RO M AG N E T I C P U L S E ( E M P ) -- A n
device, or equipment that is tested and approved for
intense electromagnetic field that builds up to
use in hazardous atmospheres, as defined in the
National Electrical Code. Explosive-proof
maximum strength within fractions of a second
after a nuclear explosion. It can damage
d ev i c e s a r e d e s i g n e d t o w i t h s t a n d i n t e r n a l
unprotected electrical and electronic equipment by
explosions and prevent hot vapors or particles from
exiting before they become significantly cooled.