Table 7. Table of PEC _SW equation default variables and parameters.

Component	Unit	Description
g of API sold	g year -1	The total weight (g) of an API sold in a year
WWTP removal	unitless	The proportion of the API removed at WWTP (default of 0)
365	days year -1	The number of days in a year
Wastewater consumption	L person -1 day -1	The average wastewater consumption (L) of the population of a given area per day
Population	persons	The population of a given area
Dilution factor	unitless	The ratio of dilution between WWTP effluent and receiving waters (default of 10)

PEC, Predicted Environmental Concentrations; API, Active Pharmaceutical Ingredient; WWTP, Wastewater Treatment Plant.