A county with a population of more than one million two hundred thousand persons as determined by the most recent United States decennial census that contains a nonattainment area as defined in Section 49-401.01 shall develop, implement and enforce rules regulating the emissions from the graphic arts industry sector, the architectural and industrial coatings industry sector, the highway markings industry sector, bulk plants and terminal and tank truck unloading operations. The enforcement shall be enhanced through programs that may include increased frequency or targeting of inspections, increased sampling frequency, use of portable analyzers or any other technique.