Re:State of emergency declared after lead and copper found i...
by xyzzy123 on Thursday November 02, 2023 @06:39AM
(#38111525)
I did a double take also, the units are a bit confusing... 1 ppb is 1 nanogram per gram but there are 1000 grams in a litre so 1 ppb is 1 microgram per litre. So I still think that approx 20mg/L is the correct figure.
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