How many ppm of arsenic is dangerous?
Posted by NNency - Feb 27, 2020 many 0 0 Views : 68 Receive Updates For This Category
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Feb 27, 2020
The recommended exposure limit set by the National Institute for Occupational Safety and Health (NIOSH) is 2 microgram per cubic meter of air for no more than a 15 minute period, based on classification of arsenic as a potential human carcinogen.