Food as a main route of adult exposure to PBDEs in Shenzhen, China

► Concentrations of PBDEs were similar in indoor dusts and soil. ► Food is the main route of adult exposure to PBDEs in Shenzhen, China. ► The total hazard quotient of PBDEs for adults living in new buildings is far less than 1. ► The total risks due to exposure to PBDEs in Shenzhen are extremely low for adults.