(1) To regulate the sale, use and application of pesticides in the interest of the overall public welfare;

(2) To protect the consumer by requiring that pesticides sold in this State be correctly labeled with warnings and adequate directions for use; and

(3) To restrict the use of any pesticides which are found to be so hazardous to man or to his environment that restrictions are necessary in the overall public interest, weighing the benefits and the risks of that use.