Pipe and Fittings Corrosion by the Drinking Water Inspectorate (source code)

= Pipe and Fittings Corrosion by the Drinking Water Inspectorate
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https://www.dwi.gov.uk/pipe-and-fittings-corrosion-2/

Present institutional explanation of <lead> solubility, <pH>, <alkalinity> and deposits; used for chemistry, not a period legal limit.