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Environment & Energy

(4,036 posts)

3. Something is wrong with the numbers...

Mon Feb 15, 2021, 10:06 PM

Feb 2021

... the USEPA MCL for Benzene in drinking water is 0.005 mg/L (milligrams/liter) or 5 ug/L (micrograms per liter).

https://www.epa.gov/ground-water-and-drinking-water/national-primary-drinking-water-regulations

But if they really reported 117 mg/L, that would be 35,000x the MCL.

mg/L ~ ppm
ug/L ~ ppb

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