“Dissolved oxygen” means the oxygen dissolved as a gas in sewage, water, or other liquid expressed in milligrams per liter (mg/L), parts per million (ppm), or percent saturation.

Source. (See Revision Notes #1, #2, and #3 at chapter heading for Env-Wq 1700) #12042, eff 12-1-16; ss by #14203, eff 2-26-25 (formerly Env-Wq 1702.19)