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Diffstat (limited to 'R/SSLRC_mobility_classification.R')
| -rw-r--r-- | R/SSLRC_mobility_classification.R | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/R/SSLRC_mobility_classification.R b/R/SSLRC_mobility_classification.R index 2f8fb34..602f166 100644 --- a/R/SSLRC_mobility_classification.R +++ b/R/SSLRC_mobility_classification.R @@ -1,4 +1,4 @@ -# Copyright (C) 2015,2018 Johannes Ranke +# Copyright (C) 2015,2018,2019 Johannes Ranke # Contact: jranke@uni-bremen.de # This file is part of the R package pfm @@ -17,30 +17,39 @@ #' Determine the SSLRC mobility classification for a chemical substance from its Koc #' -#' This implements the method specified in the UK data requirements handbook and was +#' This implements the method specified in the UK data requirements handbook and was #' checked against the spreadsheet published on the CRC website #' #' @param Koc The sorption coefficient normalised to organic carbon in L/kg #' @return A list containing the classification and the percentage of the #' compound transported per 10 mm drain water +#' @references HSE's Chemicals Regulation Division (CRD) Active substance +#' PECsw calculations (for UK specific authorisation requests) +#' \url{https://www.hse.gov.uk/pesticides/topics/pesticide-approvals/pesticides-registration/data-requirements-handbook/fate/active-substance-uk.htm} +#' accessed 2019-09-27 +#' +#' Drainage PECs Version 1.0 (2015) Spreadsheet published at +#' \url{https://www.hse.gov.uk/pesticides/topics/pesticide-approvals/pesticides-registration/data-requirements-handbook/fate/pec-tools-2015/PEC\%20sw-sed\%20(drainage).xlsx} +#' accessed 2019-09-27 #' @export #' @author Johannes Ranke #' @examples #' SSLRC_mobility_classification(100) +#' SSLRC_mobility_classification(10000) SSLRC_mobility_classification <- function(Koc) { if (!is.numeric(Koc) | length(Koc) != 1) stop("Please give a single number") if (is.na(Koc)) { result <- list(NA, NA) } else { - result <- list("Non mobile", 0.01) + result <- list("Non mobile", 0.008) if (Koc < 4000) result <- list("Slightly mobile", 0.02) if (Koc < 1000) result <- list("Slightly mobile", 0.5) if (Koc < 500) result <- list("Moderately mobile", 0.7) if (Koc < 75) result <- list("Mobile", 1.9) if (Koc < 15) result <- list("Very mobile", 1.9) } - names(result) <- c("Mobility classification", + names(result) <- c("Mobility classification", "Percentage drained per mm of drain water") return(result) } |