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.)
| 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.
Water and Wastewater Terms Beginning R
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
representative sample
A small portion of material or liquid that has content and consistency that is the same as (or as close as possible to) that of the larger body or volume being sampled.
