Challenges in the use of polyethylene terephthalate bottles for ‎packaging drinking water

1Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
2Department of HSE, Tehran Province Gas Company, Tehran, Iran. ‎
3Department of environmental health engineering, School of health, Center of student research, Tabriz university of medical sciences, Tabriz, Iran
4Student research center, school of health, Shahid Sadoughi university of medical sciences, Yazd, Iran
Abstract
PET bottles have been marketed since the last four decades and gradually replaced PVC and ‎glass bottles. In the production and supply of bottled water, there are three main challenges: 1) ‎the possibility of contamination of groundwater and springs resources due to the entering ‎agricultural and industrial pollutants; 2) the possibility of the entering organic compounds from ‎the body of plastic pipes and storage tanks; and 3) the possibility of dissolving the composition ‎of the bottle body in water due to storage and exposure to light. This study, investigated the ‎health effects of the use of PET bottles for storage and supply of drinking water by summarizing ‎the results of studies presented in scientific database of SID, springer and science direct.‎


Research results show that DEHP, which has the maximum concentration in bottled water ‎because of its more application compared to other phthalates, has been introduced by the IRIS ‎‎(Integrated Risk Information System) as a potentially pollutant and carcinogenic agent B2 ‎‎(probable human carcinogen). Regarding the non-cancer risk assessment of three phthalates of ‎BBP, DBP, and DEHP in bottled water in Iran under storage conditions of 45 °C for 45 days, ‎the Hazard Quotient index obtained resulted with dividing daily received dose by reference dose ‎‎(RFD; μg/kg body weight/day) was less than 1 even in the most vulnerable groups, the children, ‎and it can be concluded that bottled consumption in Iran has no adverse health effects.‎