May 24, 2025 - Slope beneath Infantry Terrace

Summary

Direct observation documents a Suppress organic herbicide application on May 24, 2025 for poison oak on the slope beneath Infantry Terrace.

Present: Yes
Condition: Sign is visible and readable in the provided close-up image.
Placement Notes: Posted on a yellow notice board on a dry vegetated slope near utility cabinets and a road edge below Infantry Terrace.
Transcription: ORGANIC HERBICIDE APPLICATION WARNING. The Presidio minimizes herbicide use by using Integrated Pest Management. To protect the safety of people, pets, and the environment, when herbicides are used, we choose low-risk materials that will effectively control the target weeds. This herbicide is certified Organic and will kill leaves but not roots of plants, so repeat applications could be needed. Date and approximate time of application. Stay out of treatment area during this time: 5/24/25, 9:00 AM. Area to be treated: Poison oak on slope beneath Infantry Terrace. Herbicide name: Suppress. Active ingredient: Caprylic Acid & Capric Acid. EPA identification number: 51517-9. This application will control weeds. For further questions, contact: presidio@presidiotrust.gov.