People who apply the pesticides or supervise the applications need not be given notification.
The notice must be given in a manner that is understood by the people notified. The notice must include the description and location of the treated area, the time period during which entry is restricted, and instruc- tions to stay out of the treated field, except as provided for early entry, until the restricted-entry interval expires. Oral notification is not required if the field is posted as specified in the regulations, unless the pesticide label requires both oral warnings and field posting.
When the pesticide label requires it, property operators must assure that signs are posted around treated fields during the application and throughout the restricted-entry interval. Signs are not required if control measures prevent employees—except for the handlers making the application—from walking within 1/4 mile of, entering, working in, or remaining in the treated field.
In addition, all greenhouse applica- tions require posting of warning signs unless control measures prevent employees—except for the handlers making the application—from enter- ing, working in, remaining in, or passing through the greenhouse during the application and the restricted-entry interval.
Warning signs are required when any pesticide application results in a restricted-entry interval greater than seven days after any adjustments allowed in the regulations.
Warning Signs. Warning signs must have a skull and crossbones symbol near the center. The words “DANGER,” “PELIGRO,” “PESTICIDES,” and “PESTICIDAS” must appear in the upper portion of the sign, while the words “KEEP OUT” and “NO ENTRE” must appear in the lower portion. The wording must be readable and the
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symbol visible to a person with normal vision from 25 feet. The colors of the letters and symbols must contrast with their immediate background. The signs must be posted no earlier than 24 hours prior to an application and must be removed within three days after expiration of the restricted-entry interval, before employees enter to perform activities prohibited during the restricted-entry interval. The sign must remain posted and clearly legible throughout the application and restricted-entry interval. When the sign is used for a restricted-entry interval greater than seven days, the following information must appear in the lower portion of the sign: the date when entry will become unrestricted, the name of the property operator, and the field identification, if any.
Warning signs must be posted so they are visible at all usual points of entry to the treated field. This includes each road, foot path, walkway, or aisle that enters the treated field. The signs must be posted along the border with any labor camp that is adjacent to the treated field. If the treated field borders an unfenced public right-of-way such as a road, trail, or path, additional signs must be posted at each end of the treated field and along the border at intervals no greater than 600 feet.
When a minimal exposure pesticide or a pesticide with the signal word “DANGER” on the label is applied through an irrigation system, signs must be posted in the same manner as previously described. However, such warning signs must also contain an octagon STOP sign symbol at least eight inches in diameter containing the word “STOP” in English. Also, the words “KEEP OUT” and “NO ENTRE” must appear above the symbol, and the words “PESTICIDES IN IRRIGATION WATER” and “PESTICIDAS EN AGUA DE RIEGO” must appear below the symbol. All letters must be at least 2-1/2 inches tall, and the color of the