O le fa'aosoina o formaldehyde e o'o atu i le ENF, formaldehyde fa'aoso fuaina i le auala pusa tau e itiiti ifo i le 0.025mg/m³, 0.025mg/m³ la'ititi nai lo E.0vasega, ma le vai tetee o le oloa e sili atu nai lo E0vasega ma E1fua fa'atatau o fa'amatalaga tutusa.
E talafeagai mo le gaosiga o meaafale, faʻapipiʻi faʻamalosi, vali vali, vaneina papaʻu ma togitogiga (itiiti ifo i le 1/3 laupapa mafiafia), faʻapipiʻi, veneer, faʻapipiʻiina ma isi faʻamoemoega.E i ai le lelei o luga lamolemole, fausaga talafeagai, deformation faigofie, faapalepale itu laiti, fausaga density toniga ma faatinoga maualuga.