 This particular criticism could only refer to Gunns' original preferred chemical plant design termed and 'integrated' chemical plant, which was one of three chemical plant designs presented for assessment.The integrated process as then described by Gunns had not been approved by the United Nations Environment Programme as Accepted Modern Technology (AMT) for this purpose and therefore was inconsistent with Tasmanian guidelines.By comparison, the two alternative chemical plant designs, presented by Gunns as "merchant chemical plant alternative 1" and "2" were AMT.