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+# Actual and maximum moving window time average concentrations for SFO kinetics
+
+Actual and maximum moving window time average concentrations for SFO
+kinetics
+
+## Usage
+
+``` r
+SFO_actual_twa(DT50 = 1000, times = c(0, 1, 2, 4, 7, 14, 21, 28, 42, 50, 100))
+```
+
+## Source
+
+FOCUS (2014) Generic Guidance for Estimating Persistence and Degradation
+Kinetics from Environmental Fate Studies on Pesticides in EU
+Registration, Version 1.1, 18 December 2014, p. 251
+
+## Arguments
+
+- DT50:
+
+  The half-life.
+
+- times:
+
+  The output times, and window sizes for time weighted average
+  concentrations
+
+## Author
+
+Johannes Ranke
+
+## Examples
+
+``` r
+SFO_actual_twa(10)
+#>           actual       twa
+#> 0   1.0000000000       NaN
+#> 1   0.9330329915 0.9661297
+#> 2   0.8705505633 0.9337803
+#> 4   0.7578582833 0.8733416
+#> 7   0.6155722067 0.7923030
+#> 14  0.3789291416 0.6400113
+#> 21  0.2332582479 0.5267498
+#> 28  0.1435872944 0.4412651
+#> 42  0.0544094102 0.3248093
+#> 50  0.0312500000 0.2795222
+#> 100 0.0009765625 0.1441286
+```