Matū Hoia Ka taea e te pūoko hau hiato ahokore CD4 (papu momi) (e kiia nei i muri nei ko te pūoko) te kite tonu i ngā kukū o te methane CH4, te hāoraO2 , te hauota waro CO, te hauwai whanariki H2S, me te hauota whanariki SO2E 5 ngā hau i te wā kotahi. Ko ngā raraunga hau kua kohia, te pāmahana taiao, me te tauwāhi o ngā taputapu ka tukuna mā te 4G ki te tūāpapa mō te whakahaere ahokore.