I-PP yenye yezona zinto zikhaphukhaphu kakhulu kuzo zonke iindidi zeplastiki ngoku, ngakumbi izinzile emanzini, kunye nesantya sokufunxa kwamanzi emanzini iiyure ezingama-24 kuphela yi-0.01%.T38F iphuhliswe ngokukodwa ukuvelisa iiteyiphu ezoluliweyo ezineempawu ezilandelayo, isakhono senkqubo esingaguqukiyo, kulula. ukuqhelaniswa, amanzi aphantsi athwala, iipropathi ezilungileyo zomatshini.