heavy_metals
Differences
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| heavy_metals [2026/01/23 04:43] – [Main "heavy metals" of public health concerns] gary1 | heavy_metals [2026/01/23 04:44] (current) – [Main "heavy metals" of public health concerns] gary1 | ||
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| * toxicity risks became known in the early 1900s | * toxicity risks became known in the early 1900s | ||
| * partly as infants often bit and chewed on the painted cot sides, lead paint was gradually banned in western regions from 1960's and particularly by late 1970's although Australia only tightened rules to prohibit > 0.1% lead in paint in 1992 | * partly as infants often bit and chewed on the painted cot sides, lead paint was gradually banned in western regions from 1960's and particularly by late 1970's although Australia only tightened rules to prohibit > 0.1% lead in paint in 1992 | ||
| - | * many western countries banned lead in the use of lead pipes, solder (over 0.2% lead), and flux in public water systems and residential/ | + | * in the late 1980' |
| *** Mercury (Hg)** | *** Mercury (Hg)** | ||
| * elemental, inorganic, and organic forms; neurotoxic, nephrotoxic, | * elemental, inorganic, and organic forms; neurotoxic, nephrotoxic, | ||
heavy_metals.txt · Last modified: 2026/01/23 04:44 by gary1