PROF washington watson (page 45)
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- could you help me to do my homework.
The homework didn't like I asked ,l want about 300 words no 600 words
- essay1
- (2) Question... The lead (Pb) concentration detected from a water-supply well is 0.15 mg/l (assume specific gravity of the well water is 1.0 at 25 deg C). If the drinking water standard is 15 ppb, what is your evaluation of this data?
Great paper
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- PROF Watson
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