Mō ngā tiwhikete, kei a mātou a Oeko-Tex me GRS e tonoa ana e te tini o ngā kiritaki.
Mā ngā tapanga me ngā tiwhikete a Oeko-Tex ka whakaūtia te haumaru tangata-taiao o ngā hua kakahu mai i ngā wāhanga katoa o te hanga (ngā rauemi mata me ngā muka, ngā miro, ngā papanga, ngā hua mutunga kua rite ki te whakamahi) puta noa i te mekameka uara kakahu. E whakaatu ana hoki ētahi i ngā āhuatanga pai mō te hapori me te taiao i roto i ngā whare hanga.
Ko te tikanga o te GRS ko te PAEREWA HANGARUA AO WHĀNUI. Ko tāna he whakamana i ngā mahi pāpori, taiao me te matū e tika ana i roto i ā rātou mahi whakaputa. Ko ngā whāinga o te GRS he tautuhi i ngā whakaritenga hei whakarite kia tika ngā kereme ihirangi me ngā āhuatanga mahi pai, me te whakaiti i ngā pānga kino ki te taiao me te matū. Kei roto i tēnei ko ngā kamupene kei roto i te mahi tā, te miro, te raranga me te whatu, te tae me te tā me te tuitui.