FWHM
Full width at half maximum.
Gram
GAR
Gated Analogue Router.
GM
Geiger-Muller
GZ
Ground Zero. Land surface directly beneath or at the site of a nuclear test. SGZ and
AGZ occasionally used to distinguish between tests at the surface and in the air.
hour, as in R/h.
H&N
Holmes & Narver, Inc., Orange, CA. Logistics and base support contractor for DNA
and DOE.
HEPA
High Efficiency Particulate Air (type of filter).
Mercury.
HP
Hewlett-Packard.
Electronics
manufacturer,
laboratory equipment.
including
desktop
computers
and
HPGe
High Purity Germanium - crystal for detection of gamma rays (also referred to as IG)
HQ
Headquarters.
HV
High voltage.
IAEA
International Atomic Energy Agency.
ICRP
international Commission on Radiological Protection.
IG
IMF
IMP
Intrinsic Germanium (detector). Also referred to as high purity germanium (HPGe)
detector.
Instrument Maintenance Facility.
oa
Not an acronym, but a trademark owned by the DeLorean Manufacturing Company.
Although actually the manufacturer's name for the tracked vehicle used to house the
in situ measurement equipment, this term was often used to refer to the entire
system.
JCS
Joint Chiefs of Staff, DOD.
JTG
Joint Task Group.
KAFB
Kirtland Air Force Base.
keV
Kilo electron volt.
KT
Kilotons (nuclear tests are rated in thousands of tons of TNT).
LAB
Laboratory. See RADLAB.
LASL
Los Alamos Scientific Laboratory, Los Alamos, NM.
LARC
Landing Amphibious Recovery Craft.
xix