DFAT has told the parents of the teens who died after a mass methanol poisoning incident that Lao authorities were unlikely to lay down severe charges.

A Melbourne father whose daughter died from methanol poisoning in Laos has said he is "disgusted" over the charges expected to be laid.

DFAT has told the parents of the teens who died after a mass methanol poisoning incident that Lao authorities were unlikely to lay down severe charges.