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- Latest available (Revised) - Welsh
- Original (As made) - English
- Original (As made) - Welsh
This is the original version (as it was originally made).
4.—(1) Mae cyflenwad dŵr preifat i’w ystyried yn iachus os bodlonir yr holl amodau a ganlyn—
(a)nad yw’n cynnwys unrhyw ficro-organedd, parasit neu sylwedd mewn crynodiad neu werth a fyddai, ar ei ben ei hun neu ar y cyd ag unrhyw sylwedd arall, yn peri perygl posibl i iechyd dynol;
(b)ei fod yn cydymffurfio â’r crynodiad neu’r gwerth rhagnodedig ar gyfer pob paramedr; ac
(c)bod y dŵr yn bodloni’r fformiwla “[nitrad]/50 + [nitraid]/3 ≤ 1”, pan fo’r bachau petryal yn dynodi’r crynodiadau mewn mg/1 ar gyfer nitrad (NO3) a nitraid (NO2).
(2) Ystyr cyfeiriad yn y Rheoliadau hyn at ddŵr afiachus yw nad yw’r gofyniadau ym mharagraff (1) wedi eu bodloni.
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