Pob kws hmoov nplej ib puag ncig tus phooj ywg cov tais diav (diav, diav rawg, riam riam) yog ua los ntawm 100% yas compostable thiab yog cov khoom lag luam zoo ib puag ncig. Txawm li cas los xij, qee cov tuam txhab tsim khoom lag luam tau tshaj tawm cov khoom lag luam uas hais tias yog cov tais diav zoo ib puag ncig, tab sis lawv siv cov yas photodegradable, yas yas oxidized biodegradable, thiab yas tsis tawg. Cov ntaub ntawv no muaj cov yas ib txwm muaj (PP/PS/PET/PVC), uas tsuas tuaj yeem ua rau tawg mus rau hauv cov khoom me me lossis qee qhov kev sib tsoo tsis tuaj yeem ncav cuag qhov lwj tiag, thiab kev ua chiv kuj tseem yuav cuam tshuam rau ib puag ncig.
Cov ntawv pov thawj ib puag ncig ib puag ncig suav nrog Tebchaws Asmeskas BPI cov ntawv pov thawj tau lees paub, Lub Tebchaws Yelemees/EU DIN CERTCO cov ntawv pov thawj cov ntawv pov thawj, Suav cov ntawv pov thawj ib puag ncig kev tiv thaiv ib puag ncig, thiab lwm yam.