ʻO ia ka betonite geo-synthetic pale pale wai. Hoʻopili ia iā ia iho a hoʻopaʻa pono iā ia iho i ke kaʻa a i ʻole nā hale kūkulu ʻē aʻe. Hana ʻia ia me kahi geotextile ʻaʻole i ulana ʻia, kahi papa sodic bentonite maoli, me kahi papa geomembrane pe a i ʻole, a me kahi pepa polypropylene. Hoʻopili ʻia kēia mau papa me kahi felter paʻa e hana i ka bentonite i kahi paʻa ponoʻī me ka hoʻonui ʻia. Me kēia ʻōnaehana hiki ke pale aku i ka paheʻe a me ka hōʻiliʻili ʻana o ka bentonite ma muli o ka ʻoki, nā waimaka, nā noi kū pololei a me nā neʻe. Hiki i kāna hana ke hālāwai a ʻoi aku paha ma mua o GRI-GCL3 a me kā mākou kūlana aupuni JG/T193-2006.