(dd) General Notice No 453, published in Government Gazette No 35406, dated 1 June 2012: Draft national standard for validation of the treatment efficacy and operation of a noncombustion technology for the treatment of health care risk waste, set in terms of section 7(1)(c) and (2)(c) read with section 73 of the National Environmental Management: Waste Act, 2008 (Act No 59 of 2008).