MIL-HDBK-1164
THM
trihalomethanes
TM
Technical Manual
TOC
total organic carbon
TON
threshold odor number
TU
turbidity units
USEPA
U.S. Environmental Protection Agency (also EPA)
WEF
Water Environment Federation
WHPP
wellhead protection programs
v
velocity
VOC
volatile organic compound (also volatile synthetic organic
chemical compounds)
vol
volume
273