News Weed killer suspended due to birth defects 20/10/2024 FacebookTwitterEmail Titan Chlorthal 900 WG is one of 12 products containing the herbicide, chlorthal dimethyl, that have has an emergency suspension put in place. (Supplied) The use of weed killer, chlorthal dimethyl is now illegal in Australia following the US, after both countries called for […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password