After 60 days of planting in soil increased to 5 and 10 mg kg−1, the residual B[a]P
concentration in soil after planting remained at 1.81 and
3.31 mg kg−1, respectively, while co-contamination of
5 mg kg−1 of B[a]P with 50 and 100 mg kg−1 of Cr significantly
decreased the dissipation rate of B[a]P concentration
by 26 and 30 %, respectively.