Before any worker performs any activity in a treated area on an agricultural establishment where within the last 30 days a pesticide product has been used, or a restricted-entry interval for such pesticide has been in effect, the agricultural employer must ensure that the worker has been informed of, in a manner the worker can understand, all of the following establishment-specific information:

(a) The location of pesticide safety information required by § 170.311(a).

(b) The location of pesticide application and hazard information required by § 170.311(b).

(c) The location of decontamination supplies required by § 170.411.