Impact of simulated sunlight on the degradation of pendimethalin in surface water in a scale-up experiment in accordance to OECD TG 309

Environmental Sciences Europe

Table 3 degradation kinetics (SFO-kinetic, CAKE model) for different sampling depths at SSS setup

Test setup: SSS (cm)	Dis*T₅₀ (days)	Dis*T₉₀ (days)	Coefficient of determination (r²)	Chi² error (%)
5	5.789	19.23	0.9685	13.11
35	7.174	23.83	0.9683	10.42
65	7.616	25.3	0.965	10.49
95	8.318	27.63	0.9566	13.13
125	8.179	27.17	0.9443	12.55

*”Dis” instead of “Deg” because substance exchange between the layers is possible