From d81550d0cccae824cc748de48e7fd50ea8d8033a Mon Sep 17 00:00:00 2001
From: Johannes Ranke This is a basic calculation of a contaminant concentration in bulk soil
based on complete, instantaneous mixing. If an interval is given, an
attempt is made at calculating a long term maximum concentration using
the concepts layed out in the PPR panel opinion (EFSA PPR panel 2012
and in the EFSA guidance on PEC soil calculations (EFSA, 2015, 2017). The predicted concentration in soil This assumes that the complete load to soil during the time specified by
@@ -258,7 +273,6 @@ opinion cited below (EFSA PPR panel 2012), only temperature correction using the
Arrhenius equation is performed. Total soil and porewater PEC values for the scenarios as defined in the EFSA
guidance (2017, p. 14/15) can easily be calculated. While time weighted average (TWA) concentrations given in the examples
@@ -275,7 +289,6 @@ from 2017 (p. 92).PEC_soil(rate, rate_units = "g/ha", interception = 0,
- mixing_depth = 5, PEC_units = "mg/kg", PEC_pw_units = "mg/L",
- interval = NA, n_periods = Inf, tillage_depth = 20,
- leaching_depth = tillage_depth, crop = "annual",
- cultivation = FALSE, chent = NA, DT50 = NA, FOMC = NA,
- Koc = NA, Kom = Koc/1.724, t_avg = 0, t_act = NULL,
+
+
PEC_soil(
+ rate,
+ rate_units = "g/ha",
+ interception = 0,
+ mixing_depth = 5,
+ PEC_units = "mg/kg",
+ PEC_pw_units = "mg/L",
+ interval = NA,
+ n_periods = Inf,
+ tillage_depth = 20,
+ leaching_depth = tillage_depth,
+ crop = "annual",
+ cultivation = FALSE,
+ chent = NA,
+ DT50 = NA,
+ FOMC = NA,
+ Koc = NA,
+ Kom = Koc/1.724,
+ t_avg = 0,
+ t_act = NULL,
scenarios = c("default", "EFSA_2017", "EFSA_2015"),
- leaching = scenarios == "EFSA_2017", porewater = FALSE)
-
+ leaching = scenarios == "EFSA_2017",
+ porewater = FALSE
+)Arguments
-
+
Value
Details
Note
EFSA Panel on Plant Protection Products and their Residues (2012) @@ -293,7 +306,6 @@ from 2017 (p. 92).
protection products and transformation products of these active substances in soil. EFSA Journal 13(4) 4093 doi:10.2903/j.efsa.2015.4093 -PEC_soil(100, interception = 0.25)#> scenario @@ -334,15 +346,10 @@ from 2017 (p. 92).Contents
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