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+# 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 checked against the spreadsheet published on the CRD
+website
+
+## Usage
+
+``` r
+SSLRC_mobility_classification(Koc)
+```
+
+## Arguments
+
+- Koc:
+
+  The sorption coefficient normalised to organic carbon in L/kg
+
+## Value
+
+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)
+<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
+<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
+
+## Author
+
+Johannes Ranke
+
+## Examples
+
+``` r
+SSLRC_mobility_classification(100)
+#> $`Mobility classification`
+#> [1] "Moderately mobile"
+#> 
+#> $`Percentage drained per mm of drain water`
+#> [1] 0.7
+#> 
+SSLRC_mobility_classification(10000)
+#> $`Mobility classification`
+#> [1] "Non mobile"
+#> 
+#> $`Percentage drained per mm of drain water`
+#> [1] 0.008
+#> 
+```