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Environmental carcinogenic polycyclic aromatic hydrocarbons in soil from Himalayas, India: Implications for spatial distribution, sources apportionment and risk assessment |
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The Indian Himalayan Region (IHR) is one of the important mountain ecosystems among the global mountain system which support wide variety of flora, fauna, human communities and cultural diversities. Surface soil samples (n ¼ 69) collected from IHR were analysed for 16 priority polycyclic aromatic hydrocarbons (PAH) listed by USEPA. The P16PAH concentration in surface soil ranged from 15.3 to 4762 ngg 1 (mean 458 ngg 1 ). The sum total of low molecular weight PAH (PLMW-PAHs) (mean 74.0 ngg 1 ) were relatively lower than the high molecular weight PAH (PHMW-PAHs) (mean 384 ngg 1 ). The concentration of eight carcinogenic PAHs (BaA, CHR, BbF, BkF, BaP, DahA, IcdP, BghiP) were detec |
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(2025-6-4)