The occurrence characteristics and risk assessment of polycyclic aromatic hydrocarbons (PAHs) in tea garden soils from the Southeast of Hubei Province: a comparative study with surrounding agricultural and wasteland areas - Yufei Zhang; Tianpeng Hu; Xinran Ye; Liangliang Zhai; Lei Chang; Mingming Shi; Yao Mao; Xinli Xing; Shihua Qi (Environmental Geochemistry and Health, 2026)