TransAlta RACT Order 97-2057 (8 Mb PDF) - December 8, 1997. Regulatory Order to establish RACT emission limits for NO_x, CO, PM and SO₂.

TransAlta Ract 97-2057 Final Technical Support Document (141 Mb PDF) December 8, 1997. This Technical Support Document was only issued for the initial RACT Order. It includes all of the attachments.

TransAlta RACT Order 97-2057R1 (11 Mb PDF) - February 26, 1998. Revised Regulatory Order to establish RACT emission limits for NO_x, CO, PM and SO₂. This revision further delineated NOx emission levels for greater than and less than 50 percent fire.

Pollution Control Hearings Board's Summary Judgement on TransAlta