Table 4. Kinetics analysis of dissipation of 1 under light irradiation and dark conditions based on the calculation by CAKE.

System	Rate constant k (per day)
	[BR-14C]	[PX-14C]
Decline rate in surface water with irradiation	0.11	0.16
Decline rate in surface water under dark conditions	0.039	—
Contribution of irradiation to the decline rate in surface water	0.071	0.12
Decline rate in homogeneous aqueous solution with irradiation12)	0.32	0.22