Coefficient means a number that represents the quantified relationship of each variable to the assessed value of a property when derived through a mass appraisal process.
Runoff coefficient means the fraction of total rainfall that will appear at the conveyance as runoff.
Efficiency means the quotient of E/F, where E = the electricity produced by the Portfolio, measured in BTUs (British Thermal Units) at a conversion rate of 3,412 BTUs per kWh, and F = the fuel consumed by the Portfolio, measured in BTUs on a Lower Heating Value basis.
Productivity as defined in ORS 427.005 means:
Finished water means the water that is introduced into the distribution system of a public water system and is intended for distribution and consumption without further treatment, except as treatment necessary to maintain water quality in the distribution system (e.g., booster disinfection, addition of corrosion control chemicals).