Water and Wastewater Terms Beginning O
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
oxygen enrichment
An atmosphere containing oxygen at a concentration of more than 23.5 percent by volume.
OWP will be closed from Friday, December 22, 2023, through Monday, January 1, 2024, for Winter Break.
| If exams are submitted: | Course certificates will be mailed: |
|---|---|
| Before December 19 | Before December 22 |
| After December 19 | Early January |
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
An atmosphere containing oxygen at a concentration of more than 23.5 percent by volume.
