0 ppb is the EPA Maximum Contaminant Level Goal- A Health Standard- for Lead in Water Limit
Read it here https://www.epa.gov/ground-water-and-drinking-water/basic-information-about-lead-drinking-water
“Exposure to even low levels of lead can cause low IQ, hearing impairment, reduced attention span, and poor classroom performance.”
20 ppb is not safe. 15 ppb is not safe. 10 ppb is not safe. 0 is safe.
“Exposure to even low levels of lead can cause low IQ, hearing impairment, reduced attention span, and poor classroom performance.”
20 ppb is not safe. 15 ppb is not safe. 10 ppb is not safe. 0 is safe.
Read it here EPA DRINKING WATER STANDARDS AND HEALTH ADVISORIES TABLE https://www3.epa.gov/region9/water/drinking/files/dwshat-v09.pdf
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