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- 88 Calculations over one year
Maximum annual total soil concentration for Report example 2 over 5 cm(mg/kg):
on day 42
2.3247 occurring
Calculated time dependent total soil concentrations over 5 cm for Report example 2 after one year (mg/kg)
Time(d)
PECact*
PECtwa
Begin TWAframe(d)
1
2.3114
2.3180
42
2
2.2981
2.3114
42
4
2.2720
2.2982
42
7
2.2386
2.2791
42
14
2.1858
2.2455
42
21
2.1407
2.2173
42
28
2.1259
2.1963
42
42
2.0966
2.1680
42
50
2.0801
2.1552
42
100
1.9796
2.0925
41
(* PECact values are related to the time after the maximum concentration)
End TWAframe(d)
43
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63
70
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Calculation of background concentrations after many years
Final Background concentration in total soil for Report example 2 over 5 cm(mg/kg)*:
3.0362**
(* estimated to occur after 11 years)
(** according to the estimation 100% of the final plateau was reached after 10 years)
Calculations of concentrations considering accumulation after many years of application
Maximum total soil concentration for Report example 2 over 5 cm considering accumulation* (mg/kg)
(* a tillage depth of 5 cm was considered for calculating the background concentration)
5.3609
Calculated time dependent total soil concentrations over 5 cm for Report example 2(mg/kg) considering
accumulation*
Time(d)
PECact**
PECtwa
Begin TWAframe(d)
1
5.3475
5.3542
42
2
5.3343
5.3476
42
4
5.3082
5.3344
42
7
5.2748
5.3153
42
14
5.2220
5.2817
42
21
5.1768
5.2535
42
28
5.1621
5.2325
42
42
5.1328
5.2041
42
50
5.1163
5.1914
42
100
5.0158
5.1286
41
(* a tillage depth of 5 cm was considered for calculating the background concentration)
(** PECact values are related to the time after the maximum concentration)'
GRAPHIC REPRESENTATION OF THE CALCULATION
ESCAPE
Estimation of Soil Concentrations After PEsticide Applications
End TWAframe(d)
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