fig1

Figure 1. The spatial distributions of PBDEs and DPs in parks and their surrounding areas. (A and B) Lanzhou petrochemical park; (C and D) BFR manufacturing park; (E and F) Tangshan petrochemical park; (G and H) Jieyang petrochemical park. (A, C, E, and G) for PBDEs; (B, D, F, and H) for DPs. PBDEs: Polybrominated diphenyl ethers; DPs: Dechlorane Plus; BFR: brominated flame retardant.