Tag Archives: safe mercury levels

Safe level of mercury in soil, water and food

Following are verbatim from book chapter ( http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3096006/ ) . Air The World Health Organization guideline value for inorganic mercury vapor is 1 μg/m3 as an annual average.227 A tolerable concentration is 0.2 μg/m3 for long-term inhalation exposure to elemental … Continue reading

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