Listen to Australian and world news and follow trending topics with SBS News Podcasts.TRANSCRIPT:The 3M company has said it will defend itself through the legal process after the Federal Government launched a $2 billion lawsuit relating to contamination from so-called forever chemicals at 28 defence sites.Announcing the Federal Court action on Thursday [[280526]], Attorney-General Michelle Rowland alleged the multinational had withheld information and misrepresented one of its products.In a statement, 3M said it had stopped selling the firefighting foam in Australia more than two decades ago, and had never manufactured PFAS in Australia.Ms Rowland has said PFAS contamination at defence sites has cost taxpayers $1 billion so far and the legal action is intended to help recoup those costs."Our position is that 3M withheld a range of information and misrepresented the effects of this substance These tax changes should not be passed through the people's house