Study feeds Danish fears on plastic water pipes

Researchers confim migration of contaminants from widely used polymers into drinking water

A newly published research paper by Norwegian scientists appears to confirm Danish suspicions that plastic piping can contaminate drinking water. The study, appearing in the journal "Water Research", has sparked media excitement in Denmark, where the quality of drinking water (more than half of which is delivered by plastic piping) is a major public issue (EED 28/02/03).

"Volatile organic components migrating from plastic pipes (HDPE, PEX and PVC) into drinking water" suggests that a number of chemicals, including endocrine disrupters and others that are banned from use in food packaging, are present particularly in the HDPE and PEX pipes, from which they leach into the water.

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