The label is a legal document. The user is required by law to use the pesticide in a manner consistent with label directions. If, for any reason, rates given in this Crop Protection Guide are not consistent with the label, you are still legally bound by label restrictions. There are some exceptions to this under current EPA definitions:
Section 2(ee) of the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA) and General Pesticide Rule WAC 16-228-1225 allow that a pesticide, under certain limited conditions that are not specified on a pesticide label, may be:
It is ILLEGAL to apply pesticides 1) using less diluent (water), than on the label (increased concentration); 2) at a higher rate per acre than on the label; 3) shortening the specified interval between applications; or 4) shortening the preharvest interval (minimum number of days between the last application and crop harvest). In addition, chemigation must be specifically allowed by label language in order to take place.