CHAPTER 28
AMBIENT AIR QUALITY STANDARDS
[Prior to 7/1/83, DEQ Ch 10]
[Prior to 12/3/86, Water, Air and Waste Management[900]]
Rescinded ARC 7957C, IAB 5/15/24, effective 6/19/24
CHAPTER 29
QUALIFICATION IN VISUAL DETERMINATION OF THE OPACITY OF EMISSIONS
[Prior to 7/1/83, DEQ Ch 11]
[Prior to 12/3/86, Water, Air and Waste Management[900]]
Rescinded ARC 7958C, IAB 5/15/24, effective 6/19/24