Function reference

geomean()
 Calculate the geometric mean

one_box()
 Create a time series of decline data

plot(<one_box>)
 Plot time series of decline data

sawtooth()
 Create decline time series for multiple applications

twa()
 Calculate a time weighted average concentration

max_twa()
 The maximum time weighted average concentration for a moving window

pfm_degradation()
 Calculate a time course of relative concentrations based on an mkinmod model

SFO_actual_twa()
 Actual and maximum moving window time average concentrations for SFO kinetics

FOMC_actual_twa()
 Actual and maximum moving window time average concentrations for FOMC kinetics

reexports
set_nd_nq
set_nd_nq_focus
 Objects exported from other packages

TSCF()
 Estimation of the transpiration stream concentration factor

PEC_soil()
 Calculate predicted environmental concentrations in soil

PEC_soil_mets()
 Calculate initial and accumulation PEC soil for a set of metabolites

soil_scenario_data_EFSA_2015
 Properties of the predefined scenarios from the EFSA guidance from 2015

soil_scenario_data_EFSA_2017
 Properties of the predefined scenarios from the EFSA guidance from 2017

PEC_FOMC_accu_rel()
 Get the relative accumulation of an FOMC model over multiples of an interval

EFSA_washoff_2017
 Subset of EFSA crop washoff default values

FOCUS_GW_scenarios_2012
 A very small subset of the FOCUS Groundwater scenario definitions

EFSA_GW_interception_2014
 Subset of EFSA crop interception default values for groundwater modelling

PEC_sw_drift()
 Calculate predicted environmental concentrations in surface water due to drift

drift_data_JKI
 Deposition from spray drift expressed as percent of the applied dose as published by the JKI

drift_parameters_focus
 Regression parameters for the Rautmann drift data

drift_percentages_rautmann()
 Calculate drift percentages based on Rautmann data

PEC_sw_drainage_UK()
 Calculate initial predicted environmental concentrations in surface water due to drainage using the UK method

PEC_sw_sed()
 Calculate predicted environmental concentrations in sediment from surface water concentrations

PEC_sw_focus()
 Calculate PEC surface water at FOCUS Step 1

chent_focus_sw()
 Create a chemical compound object for FOCUS Step 1 calculations

FOCUS_Step_12_scenarios
 Step 1/2 scenario data as distributed with the FOCUS Step 1/2 calculator

PEC_sw_exposit_drainage()
 Calculate PEC surface water due to drainage as in Exposit 3

PEC_sw_exposit_runoff()
 Calculate PEC surface water due to runoff and erosion as in Exposit 3

perc_runoff_exposit
 Runoff loss percentages as used in Exposit 3

perc_runoff_reduction_exposit
 Runoff reduction percentages as used in Exposit

TOXSWA_cwa
 R6 class for holding TOXSWA water concentration data and associated statistics

read.TOXSWA_cwa()
 Read TOXSWA surface water concentrations

plot(<TOXSWA_cwa>)
 Plot TOXSWA surface water concentrations

SSLRC_mobility_classification()
 Determine the SSLRC mobility classification for a chemical substance from its Koc

GUS()
print(<GUS_result>)
 Groundwater ubiquity score based on Gustafson (1989)

endpoint()
soil_DT50()
soil_Kfoc()
soil_N()
soil_sorption()
 Retrieve endpoint information from the chyaml field of a chent object

get_vertex()
 Fit a parabola through three points