Calculate initial and accumulation PEC soil for a set of metabolites

Usage

PEC_soil_mets(rate, mw_parent, mets, interval = 365, ...)

rate: Application rate in units specified below
mw_parent: The molecular weight of the parent compound
mets: A dataframe with metabolite identifiers as rownames and columns "mw", "occ" and "DT50" holding their molecular weight, maximum occurrence in soil and their soil DT50
interval: The interval for accumulation calculations
...: Further arguments are passed to PEC_soil