ABSTRACT
This study described the outdoor, indoor and poster dust contamination sites (sources), and their hazards and/or harmful effects or problems to human health. Major outdoor dust zone/sites covered 8 zones where totally around 60 areas were identified. Again, 9 major indoor (closed door) sites areas/zones of dust contaminations covered total of around 90 sites. Four major poster dust sites recorded to sub-sides of 19 zones/areas. Dusts are the soil clay colloids (dust clay/nanoparticle; diameter size <0.0002mm in diameter) severely harmful to the human health and environment as contaminants like particulate matters (PM 2.5). Beginning and ending, arrival and departure pathway of life is not peaceful where human have to fight every moment against outdoor, indoor and/or poster dust inhalations from air-the pure/fresh the better. Dusts carry numerous toxic and hazardous chemicals including a lot of slow poison harmful heavy metals like As, Hg, Ni, Cr, Cd, Zn, Se, Pb, V, Br, Ur, Ti, Al, Mn, Fe, Co, Cu, Zn, Sb, Pb, Mo, Sr etc. Here dust related health hazards covering numerous (8-12) diseases including cancer are listed and evaluated where a wide awareness measures are recommended.
Key words: Outdoor dusts, indoor dusts, poster dusts, sources, slow poison, toxic chemicals, heavy metals, health hazards, awareness.
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