Utilities for simple calculations of predicted environmental concentrations (PECs) and for dealing with data from some FOCUS pesticide fate modelling software packages.

Help topics

Degradation

Functions related to degradation

  • 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

Mobility

Indicators related to mobility

  • GUS(GUS.chent, GUS.numeric, print.GUS_result)
    Groundwater ubiquity score based on Gustafson (1989)
  • SSLRC_mobility_classification
    Determine the SSLRC mobility classification for a chemical substance from its Koc

Soil

Predicted environmental concentrations in soil

Surface water

Predicted environmental concentrations in surface water

  • PEC_sw_drift
    Calculate predicted environmental concentrations in surface water due to drift
  • PEC_sw_sed
    Calculate predicted environmental concentrations in sediment from surface
  • drift_data_JKI
    Deposition from spray drift expressed as percent of the applied dose as
  • PEC_sw_drainage_UK
    Calculate initial predicted environmental concentrations in surface water due to drainage using the UK method
  • TOXSWA_cwa
    R6 class for holding TOXSWA cwa concentration data and associated statistics
  • read.TOXSWA_cwa
    Read TOXSWA surface water concentrations
  • plot.TOXSWA_cwa
    Plot TOXSWA surface water concentrations

Groundwater

Predicted environmental concentrations in groundwater

Chemical entities

Work with input stored in chemical entites as R objects using the chent package

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

General

Utilities that are generally useful

  • geomean
    Calculate the geometric mean

Dependencies

  • Depends: R6, mkin
  • Imports: graphics, chents
  • Suggests: testthat

Authors