Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
O
O&M
odor threshold
oils and grease
oily wastewater
organic loading
OUR
outfall
oxidation ditch
oxidation pond
oxidation-reduction potential
oxygen deficiency
oxygen sag
oxygen uptake
oxygen-transfer rate
ozonation
ozonator
ozone
ozone generator