EPA regulations for harmful contaminants in drinking water set an upper limit of 1.50E-2 mg/L for lead. Suppose that your water supply contained Pb at a level of 26.6 ppb (a) What is this concentration expressed in mg/L? (b) Would your water supply pass EPA regulations? O yes mg/l. O no

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EPA regulations for harmful contaminants in drinking water set an upper limit of 1.50E-2 mg/L for lead. Suppose that your water supply contained Pb at a level of
26.6 ppb
(a) What is this concentration expressed in mg/L?
(b) Would your water supply pass EPA regulations? yes no
mg/L
CHECK ANSWER
Transcribed Image Text:EPA regulations for harmful contaminants in drinking water set an upper limit of 1.50E-2 mg/L for lead. Suppose that your water supply contained Pb at a level of 26.6 ppb (a) What is this concentration expressed in mg/L? (b) Would your water supply pass EPA regulations? yes no mg/L CHECK ANSWER
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