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Harmful Chemicals Migrating from Plastic Hoses Using Household into Tap Water  

Bae, Seok-Mun (Water Quality Institute, Busan Water Authority)
Son, Hee-Jong (Busan Water Authority)
Jeong, Hyun-Chul (Water Quality Institute, Busan Water Authority)
Choi, Jin-Taek (Water Quality Institute, Busan Water Authority)
Bin, Jae-Hoon (Water Quality Institute, Busan Water Authority)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.9, 2010 , pp. 900-904 More about this Journal
Abstract
Polyvinyl chloride (PVC) hoses, polyethylene hose and silicone hose for tap water were tested with respect to migration of phenolic compounds to water. The highest concentrations (0.36~1.97 mg/L) of total phenolic compounds were observed in the test water from PVC hoses. Increasing residual Cl concentration from 0 to 0.5 mg/L or increasing water temperature from 4 to $25^{\circ}C$ increased 3~3.2 times and 100~104 times for migrated total phenolic compounds concentrations, in respectively. A major migrating phenolic compounds from PVC hoses were bisphenol-a (BPA) and it was observed that the concentration of migrating phenolic compounds in the order: DEHP > 2-chlorophenol > 2,4,6-trichlorophenol > 2,4-dichlorophenol from PVC hoses.
Keywords
Plastic Hose; Harmful Chemicals; Migration; Polyvinyl Chloride (PVC); Tap Water; Residual Chlorine; Water Temperature;
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