ROM
Read-only memory.
RSAIT
Radiation Safety Audit and Inspection Team.
SAC
Scintillation Alpha Counter.
SATCOM
Satellite Communication.
SitRep
Situation Report.
SN
Serial Number.
SOP
Standard (or Standing) Operating Procedure.
Sr
Strontium. Specifically, the isotopes ®5sr and 99sr.
TG
Task Group,
Tl
Thallium.
TRU
The transuranic elements. Specifically, 238 py, 239 py, 240py, and 241 4m,
TWX
Teletype
ype m message.
TTPI
Trust Territory of the Pacific Islands.
«8
Uranium. Specifically the isotopes 234y, 235y and 238y,
USAF
United States Air Force.
wh,
=
Uninterruptible Power Supply.
1h
UPS
Yttrium. Specifically the isotope 9°y,
mu ~ Greek alphabet letter used to denote attenuation; also micro
rho - Greek alphabet letter used to denote density.
(1 a)