![]() ![]() Results indicated that thermally damaged drinking water pipes can be sources of VOC leaching, with ten of the eleven materials leaching benzene, a carcinogen, into water. Eleven plastic drinking water pipes, across eight brands, were exposed to elevated temperatures (200 ☌ to 400 ☌), and subsequently submerged in water or in n-hexane to observe the extent of VOC leaching. A potential source of this contamination was thought to be due to the degradation of plastic components in drinking water distribution systems. Widespread volatile organic compound (VOC) contamination was found in water distribution systems following three wildfires in California. This study was conducted to determine if the thermal degradation of various plastic drinking water pipes ( i.e., PEX, HDPE, PP, PVC, and CPVC) may be a source of drinking water contamination.
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