Sistimi ea liphaephe tsa polyethylene esale e sebelisoa ke bareki ba rona bakeng sa phepelo ea metsi a nooang ho tloha ha e qala ka bo-1950.Indasteri ea polasetiki e nkile boikarabelo bo boholo ho netefatsa hore lihlahisoa tse sebelisoang ha li ame boleng ba metsi hampe.

Mefuta e fapaneng ea liteko tse entsoeng liphaepheng tsa PE hangata e akaretsa tatso, monko, ponahalo ea metsi, le liteko tsa kholo ea likokoana-hloko tsa metsing.Ena ke letoto le pharalletseng la liteko ho feta tse sebelisoang hajoale ho lisebelisoa tsa liphaephe tsa setso, joalo ka litšepe le samente le lihlahisoa tse kentsoeng ka samente, linaheng tse ngata tsa Europe.Kahoo ho na le tšepo e kholo ea hore pipe ea PE e ka sebelisoa bakeng sa phepelo ea metsi a nooang tlas'a maemo a mangata a ts'ebetso.

Ho na le phapang e itseng melaong e joalo ea naha le mekhoa ea liteko e sebelisoang lipakeng tsa linaha tsa Europe.Tumello ea kopo ea metsi a nooang e fanoe linaheng tsohle.Litumello tse latelang tsa mekhatlo li amoheloa linaheng tse ling tsa Europe mme ka linako tse ling lefatšeng ka bophara:

UK Drinking Water Inspectorate (DWI)

Jeremane Deutsche Verein des Gas-und Wasserfaches (DVGW)

Netherlands KIWA NV

Fora CRECEP Center de Recherche, d'Expertise et de

Contrôle des Eaux de Paris

USA National Sanitary Foundation (NSF)

Metsoako ea liphaephe tsa PE100 e lokela ho etsoa bakeng sa tšebeliso ea metsi a nooang.Ho feta moo, pipe ea PE100 e ka etsoa ka motsoako o moputsoa kapa o motšo o nang le mela e putsoa e khethollang hore e loketse ho sebelisoa lits'ebetsong tsa metsi a nooang.

Lintlha tse ling mabapi le tumello ea tšebeliso ea metsi a nooang li ka fumanoa ho moetsi oa lipeipi haeba ho hlokahala.

E le ho lumellana le melao le ho etsa bonnete ba hore lisebelisoa tsohle tse sebelisoang ha li kopane le metsi a nooang li tšoaroa ka tsela e ts'oanang, EAS European Approval Scheme e ntse e ntlafatsoa, ​​e thehiloeng ho European Commission.

Taelo ea 98/83/EC.Sena se hlokometsoe ke sehlopha sa Batsamaisi ba Metsi ba Europe, RG-CPDW - Sehlopha sa Balaoli ba Lihlahisoa tsa Kaho ba Kopane le Metsi a Nooang.E reretsoe hore EAS e tla kena tšebetsong ka 2006 ka mokhoa o lekantsoeng, empa ho bonahala e ke ke ea etsahala hore e kenngoe tšebetsong ka botlalo ho fihlela ka morao haholo ha mekhoa ea liteko e se e le teng bakeng sa lisebelisoa tsohle.

Liphaephe tsa polasetiki bakeng sa metsi a nooang li lekoa ka matla ke Naha ka 'ngoe ea Litho tsa EU.Mokhatlo oa bafani ba thepa e tala ( Plastics Europe ) esale o buella ho sebelisa lipolasetiki tsa lijo bakeng sa kopo ea metsi a nooang, hobane melao ea ho ikopanya le lijo ke eona e thata ka ho fetesisa ho sireletsa bophelo ba bareki le ho sebelisa litlhahlobo tsa chefo joalo ka ha ho hlokoa litataisong tsa Komiti ea Saense ea Khomishene ea Europe. bakeng sa Lijo (e 'ngoe ea likomiti tsa EU Food Standards Agency).Ka mohlala, Denmark, e sebelisa molao oa ho kopana le lijo 'me e sebelisa mekhoa e meng ea tšireletso.Tekanyetso ea metsi a nooang ea Danish ke e 'ngoe ea tse boima ka ho fetisisa Europe.