fig4

Figure 4. The spatial distributions of Σ₁₀BPs in four E-waste dismantling parks. (A) Ziya circular economy industrial park; (B) Fengjiang metal resource recycling park; (C) Binhai metal resource recycling park; (D) Qingyuan circular economy industrial park. The observed value of each sampling point is increased by one before the logarithmic transformation (log₁₀). Σ₁₀BPs: The total concentration of bisphenol analogues; E-waste: electronic waste.