505 ILCS 120/30

(a) The Director shall inspect, sample, and make analyses or test soil amendments distributed within this State at any time and place, and to the extent deemed necessary, to determine that soil amendment products comply with the requirements of this Act or its rules. (b) The Director may enter upon public or private premises during regular business hours in order to have access to soil amendments subject to this Act as well as records relating to their distribution. (c) The methods of analysis and sampling shall be those adopted by the Director from sources such as the Association of Official Analytical Chemists (AOAC) or other comparable sources deemed appropriate by and acceptable to the Director. (d) The Director may, by rule, establish inspection procedures and fees not to exceed 0.10 cents per pound for soil amendment products distributed in this State.