ABSTRACT
P Package (wastewater treatment) plant A prefabricated treatment plant that
performs one or more processes for small flows, usually in a single tank. Paired data (1) Data that represent two variables, one of which depends on the
other according to a relationship such as a curve or an equation, e.g., flow-frequency curves, stage-discharge relationships, and a unit hydrograph ordinate as a function of the drainage area. Given historical data on two related variables or parameters, their relationship may be defined using regression analysis. (2) Paired data may also represent the same variable or parameter from two different sources, e.g., observation or measurement and simulation.
