Table 1.

Profile composition of the methanol‐extractable residues (metabolite concentrations appear as μg g⁻¹ of dry soil) for different configurations and incubation times (7 and 20 days)

Atrazine and metabolites	Incubation time (d)	Electrode‐free soil (μg g−1 of dry soil)	MERC (open‐circuit) (μg g−1 of dry soil)	MERC (closed‐circuit) (μg g−1 of dry soil)	pol‐MERC (μg g−1 of dry soil)	Snorkel (μg g−1 of dry soil)
ATRa	7	1.829 ± 0.005	1.631 ± 0.010	1.595 ± 0.004	0.694 ± 0.018	1.279 ± 0.009
	20	1.026 ± 0.004	0.759 ± 0.008	1.026 ± 0.012	0.327 ± 0.023	0.845 ± 0.017
HA‐ATRb	7	0.103 ± 0.016	0.093 ± 0.007	0.092 ± 0.008	0.159 ± 0.009	0.081 ± 0.015
	20	0.147 ± 0.018	0.134 ± 0.008	0.123 ± 0.007	0.227 ± 0.014	0.131 ± 0.024
DEA‐ATRc	7	0.017 ± 0.006	0.022 ± 0.008	0.024 ± 0.004	0.026 ± 0.008	0.015 ± 0.005
	20	0.019 ± 0.005	0.020 ± 0.007	0.039 ± 0.008	0.045 ± 0.007	0.029 ± 0.005
DIA‐ATRd	7	0.006 ± 0.001	0.011 ± 0.004	0.014 ± 0.004	0.015 ± 0.006	0.005 ± 0.001
	20	0.008 ± 0.007	0.017 ± 0.006	0.019 ± 0.005	0.195 ± 0.013	0.016 ± 0.002

a. 1‐ 6‐chloro‐4‐N‐ethyl‐2‐N‐propan‐2‐yl‐1,3,5‐triazine‐2,4‐diamine.

b. 2‐(ethylamino)‐6‐(propan‐2‐ylamino)‐1H‐1,3,5‐triazin‐4‐one.

c. 6‐chloro‐2‐N‐propan‐2‐yl‐1,3,5‐triazine‐2,4‐diamine.

d. 6‐chloro‐2‐N‐ethyl‐1,3,5‐triazine‐2,4‐diamine.