GLOSSARY
Section I. Acronyms and Abbreviations
AIPD
Army Institute for Professional
PMCS
preventive maintenance checks and
Development
services
ACCP
Army Correspondence Course Program
POW
prisoner of war
COSCOM
Corps support command
ppm
Parts per million
CP
Command post
psi
Pounds per square inch
DA
Department of the Army
psid
Pounds per square inch differential
DETC
Distance Education and Training Council
PWS/DS
Potable water storage and distribution
DISCOM
Division support command
system
DMMC
Division material management center
RO
Reverse osmosis
DOD
Department of Defense
ROWPU
Reverse osmosis water purification unit
DS
Direct support
S2
Intelligence Officer (US Army)
EPW
enemy prisoner of war
S3
Operations and Trainer Officer (US
FM
Field manual
Army)
G2
Assistant Chief of Staff, GS (Intelligence)
SMFT
Semi-trailer mounted fabric tank
G3
Assistant Chief of Staff, G3 (Operations
SOP
Standing operating procedure
and Plans)
S&S
Service and Supply Company
G4
Assistant Chief of Staff (Logistics)
STANAG
Standardization Agreement
GS
General support
TAACOM
Theater Army Area Command
IAW
in accordance with
TDS
Total dissolved solids
ICE
Interservice Correspondence Exchange
TO
Theater of operations
METT-T
Mission, enemy, terrain, troops, time
TM
Technical manual
MMC
Materiel Management Center
TWDS
Tactical water distribution system
MOPP
mission-oriented protective posture
WQAS-P
Water quality analysis set-purification
MOS
military occupational specialty
WQAU
Water quality analysis unit
MRE
Meal ready to eat
MSR
Main supply route
NBC
Nuclear, biological, and chemical
NCO
noncommissioned officer
NCOIC
noncommissioned officer in charge
OIC
Officer in charge
OPFOR
opposing forces
OPLAN
Operation plan
OPORD
Operations order
Section II
Terms
semipermeable membrane. The membrane allows
the passage of the water (solvent) but not the
Discharge - (1) As applied to a stream, the rate of
dissolved solids (solutes). This process tends to
flow or volume of water flowing at a given place
equalize the conditions of either side of the
within a period of time. (2) The process of water or
membrane.
other liquid passing through an opening or along a
conduit or channel. (3) The water or other liquid
pH - A measure of the acidity or alkalinity of a
which emerges from an opening or passes along a
solution. A value of seven is neutral; low numbers
conduit or channel.
are acid, large numbers are alkaline. Strictly
speaking, pH is the negative logarithm of the
Ground Water - Water occurring in a stratum
hydrogen-ion concentration.
(aquifer) below the surface of the ground. The
term is not applied to water which is percolating or
Potable - (1) Water which does not contain any
held in the top layers of the soil but to that below
the water table.
objectionable substances or pollution and is satis-
factory for human consumption. (2) Water that is
free from disease-producing organisms,
Osmosis - The passage of a liquid from a weak
poisonous substances, chemical or biological
solution to a more concentrated solution across a
A-1
QM 4922
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