Increased occupational exposure to styrene increases the concentration of this metabolite found in the urine?
A recent study in 53 plastic injection workers by Mohamadyan M et al. revealed that increased occupational exposure to styrene increased mandelic acid concentrations in the urine.
Mohamadyan M et al. Occupational exposure to styrene and its relation with urine mandelic acid, in plastic injection workers. Environ Monit Assess 2019; 191:62. doi: 10.1007/s10661-019-7191-z.