The Department of Environmental Quality adopted amendments to La. Admin. Code tit. 33:III §§111, 2123, and 2143, Control Technology Guidelines. This rule reflects changes made to the lithographic printing materials and letterpress printing materials Control Technology Guidelines (CTG) and the flexible package printing materials CTG that were published in the Federal Register. http://www.deq.louisiana.gov/portal/portals/0/planning/regs/pdf/AQ296fin-technical_amendments.pdf.