OWP will be closed from 4:00 pm on Friday, December 20, 2024, until 8:00 am on Thursday, January 2, 2025, for Winter Break.
(All times are PST.)
For students in Canada: Due to the ongoing Canada Post strike, please use UPS or FedEx to return your scantrons for grading. You may take your exams online even if you received paper exams.
| If exams are submitted: | Course certificates will be mailed: |
|---|---|
| By December 13th | By December 20th |
| After December 20th | Early January |
Please note: Postmark dates will not be honored.
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
A 2-step aerobic process in which bacteria oxidize the ammonia in water and wastewater into nitrite, and then nitrate. The amount of oxygen required to oxidize the ammonia into nitrate is referred to as the nitrogenous BOD. Also see denitrification.
