DFI/2022-0223: Environmental Information Regulations 2004 request for information about the Department for Infrastructure's use of glyphosate weed killer (commonly known by the trade name "RoundUp"), including: 1) confirmation whether DfI Roads & Rivers uses if for weed control purposes; 2) the number of workers involved in directly applying the chemical, normally by spraying, to control weeds; & 3) whether the Department has any plans to end usage over health concerns.