USPS 558-B weeds and grasses area
Summary
Direct observation documents Turflon Ester, Tenacity, and Cheetah Pro herbicide application on October 22, 2025 for weeds and grasses outside USPS 558-B in the Presidio of San Francisco.
Application Details
- Product
- Turflon Ester; Tenacity; Cheetah Pro
- Ingredient
- Triclopyr, Mesotrione, Glufosinate-ammonium
- Application Type
- Herbicide
- Product Source
- Listed on sign/report
- Area
- Presidio of San Francisco
- Coordinates
- 37.798588, -122.45141
Signage
- Present
- Yes
- Condition
- Sign is visible and readable in the close-up image, with handwritten product details on taped paper labels.
- Placement Notes
- Posted on a yellow notice board in a dry planting bed outside the USPS 558-B building near benches, waste bins, and the sidewalk.
- Transcription
- CAUTION HERBICIDE APPLICATION. The Presidio has minimized 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 weeds at this site. Date and approximate time of application. Stay out of treatment area during this time: 10-22-25, 6A-9A. Area to be treated: weeds and grasses. Herbicide name: Turflon Ester; Tenacity; Cheetah Pro. Active ingredient: Triclopyr; Mesotrione; Glufosinate Ammonium. EPA identification number: 17545-8; 100-1267; 228-743. This application will control weeds. For further questions, contact: presidio@presidiotrust.gov.
Images
Sources
No source documents are attached to this record.
Record
- Record ID
- 2025-10-22-usps-558-b-weeds-and-grasses-area-turflon-ester-tenacity-cheetah-pro
- Date Posted
- Sep 16, 2026