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This is a subject of much debate due to the fact that large-scale pollution from other sources makes it difficult to measure the amount of pollution that comes specifically from fireworks. The possible toxicity of any fallout may also be affected by the amount of black powder used, type of oxidizer, colors produced and launch method.
Selenium pollution might impact some aquatic systems and may be caused by anthropogenic factors such as farming runoff and industrial processes. [91] People who eat more fish are generally healthier than those who eat less, [92] which suggests no major human health concern from selenium pollution, although selenium has a potential effect on ...
42 cfr 84, nfpa 1981, ansi z88.7-2001, 21 cfr 878.4040, en 143, en 149, en 137, en 14387 [ edit on Wikidata ] A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres including lead fumes , vapors , gases and particulate matter such as dusts and airborne pathogens such as viruses .
Silver is also used for its antibacterial properties for water sanitisation, but the application of this is limited by limits on silver consumption. Colloidal silver is similarly used to disinfect closed swimming pools; while it has the advantage of not giving off a smell like hypochlorite treatments do, colloidal silver is not effective enough ...