After completion of this three-day course, learners will be to explain operation of aggregate, asphalt, & concrete batching plants. This course includes a site visit. This course is a consolidated course covering key aspects of TOXC215, 216, 217, and 218. The following topics are covered in this course:1 Air emissions, 2 Health impacts, 3 Industry information, 4 Industrial processes, 5 Engineering evaluation, 6 Inspection procedures, 7 Permit requirements