Soil polycyclic aromatic hydrocarbons in energy chemical industrial plants of Northwest China: Sources and health risk implications from a field‐based study - Mengcheng Wu; YunZhou Tan; Guodong Kang; Ping Wu; Mengjiao Li; Liangliang Liu; Ning Wang; Ling Wang; Shenghu Zhang; Leilei Lu (Journal of Environmental Quality, 2026)