225 ILCS 235/3.25

"Integrated pest management" is defined as a pest management system that includes the following elements: (a) identifying pests and their natural enemies; (b) establishing an ongoing monitoring and recordkeeping system for regular sampling and assessment of pest and natural enemy populations; (c) determining the pest population levels that can be tolerated based on aesthetic, economic, and health concerns, and setting action thresholds where pest populations or environmental conditions warrant remedial action; (d) the prevention of pest problems through improved sanitation, management of waste, addition of physical barriers, and the modification of habitats that attract or harbor pests; (e) reliance to the greatest extent possible on nontoxic, biological, cultural or mechanical pest management methods, or on the use of natural control agents; (f) when necessary, the use of chemical pesticides, with preference for products that are the least harmful to human health and the environment; and (g) recordkeeping and reporting of pest populations, surveillance techniques, and remedial actions taken.