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Volatile organic compounds (VOCs) are an important class of air pollutants and even at a trace amounts they have high potential hazard due to their carcinogenic nature. Benzene, Toulene, Ethylbenzene and Xylene (BTEX) are the consistently found air contaminants in indoor and outdoor environments. These are reported to be toxic and are known for their ability to deteriorate human health. Thus, an investigation of indoor/outdoor BTEX was conducted for the span of one year at selected locations in Gorakhpur in order to ascertain the contamination levels. The concentration levels of BTEX was...

Human hair is frequently used as a bioindicator of mercury exposure. Mercury (Hg) has for centuries been a useful metal in a variety of applications. Unfortunately this usefulness is counterbalanced by its neurotoxicological health impact. The U.S. Environmental Protection Agency recommend keeping the hair Hg level