This R package is designed to obtain USGS or EPA water quality sample data, streamflow data, and metadata directly from web services.

US EPA's Toxicity Forecaster (ToxCast) Pipeline. More information on the ToxCast program available here: https://www.epa.gov/comptox-tools/toxicity-forecasting-toxcast

The R package "httk" provides free, open-source data and models for toxicokinetics. The models are designed to use chemical-specific in vitro (animal free) measurements. The predictions can be used…

Geographic Information System Application

SHEDS-HT R package and default input files

❗ This is a read-only mirror of the CRAN R package repository. kinfit — Routines for Fitting Kinetic Models to Chemical Degradation Data. Homepage: http://cran.r-project.org, http://kinfit.r-forge.…

The xxDeg package for degradation kinetics