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  • Title: Potential health risks related to carcinogens in the atmospheric environment in India.
    Author: Gurjar BR, Mohan M, Sidhu KS.
    Journal: Regul Toxicol Pharmacol; 1996 Oct; 24(2 Pt 1):141-8. PubMed ID: 8933627.
    Abstract:
    In India, rapid urbanization and industrialization have contributed positively toward meeting the materialistic needs of the citizens, but have also resulted in contamination of the atmospheric environment. This paper deals with the assessment of potential health risks posed by carcinogenic substances, namely cadmium, chromium, and nickel, present in certain atmospheric environments in India. Average air concentrations of these carcinogenic metals have been assessed for different states and regions of India (C. R. Krishnamurti and P. Vishwanathan, Toxic Metals in the Indian Environment, Tata/McGraw-Hill, New Delhi, 1991). Based on these assessments, both individual and societal risks have been estimated in different states of the country, and comparisons were made. Reported concentration, release sources, potential health risks including cancer risk estimates, and ambient air interim guidelines are discussed. The reported environmental releases and cancer risk from cadmium are minimal. There is a potential for increased respiratory cancer risk from exposure to chromium and nickel in some northern Indian states. These metals are irritants to nasal passages and the respiratory tract. Chromium is also corrosive to mucus membranes. They have the potential to cause chronic respiratory problems. Since it appears that these metals may cause some adverse health effects in humans, exposure to these ambient air pollutants should be minimized by managing the release of these contaminants to the environment. There is a need for the development and strict enforcement of national and state regulatory standards.
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