docker: production image + Gitea Actions for monthly refresh
Image rebuild (skip scrape) / build (push) Failing after 1h37m12s
Image rebuild (skip scrape) / build (push) Failing after 1h37m12s
Dockerfile: self-contained image with corpus + Chroma + BM25 baked in. Drawbar's compose pulls + runs without volume mounts. Built from sources.json (labels schema), PRODUCT_NAME=crop_chem by default, HYBRID_SEARCH=true (always-on for production quality). RERANK_URL + OLLAMA_URL get set at compose time. .gitea/workflows/refresh.yml: monthly cron (1st @ 06:00 UTC) does full scrape → reindex → image push. Scrapes Bayer (~30 min) + EPA PPLS row-crop filtered (~7h). Skips reindex+push if no corpus diff. Tags pushed: :latest, :<sha12>, :corpus-<YYYY.MM.DD>. .gitea/workflows/image-only.yml: on-demand or auto on code-only pushes to main (paths: docs_mcp/, rag/, scrape/, requirements.txt, Dockerfile, sources.json). Reindexes from committed corpus, builds image, pushes. ~10 min vs ~9h full refresh. .gitignore: corpus/ now COMMITTED (4,159 labels, 265 MB of .md + sidecars). Lets image-only.yml rebuild indexes without re-scraping. chroma/ + bm25/ still gitignored (regenerable binary indexes). .dockerignore: drops venv, eval results, PLAN/README/CLAUDE.md, deploy/, .git/ — keeps the image lean. corpus + chroma + bm25 explicitly NOT in dockerignore (those go INTO the image). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
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# BAS 500 20 F Fungicide
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- EPA Reg No: **7969-314**
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- Registrant: BASF AGRICULTURAL SOLUTIONS US, LLC
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- Signal word: Caution
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- Active ingredients: Pyraclostrobin (23.06%)
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- Label accepted: 2026-02-23
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- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/007969-00314-20260223.pdf
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---
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February 19, 2026
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Quinn Peacock
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Regulatory Affairs Manager
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BASF Agricultural Solutions
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US LLC, 26 Davis Drive
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North Carolina 27713-2839
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Subject: Label Amendment - Registration Review Mitigation for Pyraclostrobin
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Product Name: BASF 500 20 F Fungicide
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EPA Registration Number: 7969-314
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Case Number: 481254
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Application Dates: 12/7/2020
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Dear Quinn Peacock:
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The Agency, in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA),
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as amended, has completed reviewing all the information submitted with your application to
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support the Registration Review of the above referenced product in connection with the
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Pyraclostrobin Interim Decision, and has concluded that your submission is acceptable. The
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label referred to above, submitted in connection with registration under FIFRA, as amended, is
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acceptable.
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Should you wish to add/retain a reference to the company’s website on your label, then please
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be aware that the website becomes labeling under the Federal Insecticide, Fungicide, and
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Rodenticide Act and is subject to review by the Agency. If the website is false or misleading, the
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product would be misbranded and unlawful to sell or distribute under FIFRA section 12(a)(1)(E).
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40 CFR 156.10(a)(5) list examples of statements EPA may consider false or misleading. In
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addition, regardless of whether a website is referenced on your product’s label, claims made on
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the website may not substantially differ from those claims approved through the registration
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process. Therefore, should the Agency find or if it is brought to our attention that a website
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contains false or misleading statements or claims substantially differing from the EPA approved
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registration, the website will be referred to the EPA’s Office of Enforcement and Compliance
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Assurance.
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A stamped copy of your labeling is enclosed for your records. This labeling supersedes
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all previously accepted labeling and must be used at your next label printing. You must
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submit one copy of the final printed labeling before you release the product for
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Page 2 of 2
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EPA Reg. No. 7969-314
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Case No. 481254
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shipment with the new labeling. In accordance with 40 CFR 152.130(c), you may
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distribute or sell this product under the previously approved labeling for 12 months
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from the date of this letter. After 12 months, you may only distribute or sell this
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product if it bears this new revised labeling or subsequently approved labeling. “To
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distribute or sell” is defined under FIFRA section 2(gg) and its implementing regulation
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at 40 CFR 152.3.
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If you have any questions about this letter, please contact Tiffany Green by phone at 919-541-
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2446, or via email at green.tiffany@epa.gov.
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S i n c e r e l y ,
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Kevin Costello, Branch Chief
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Risk Management and Implementation Branch 2
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Pesticide Re-Evaluation Division
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Office of Pesticide Programs
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ENCLOSURE: Stamped label
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Pyraclostrobin Group 11 Fungicide
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For disease control and plant health in field corn, pop corn, and
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seed production corn
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Active Ingredient*:
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pyraclostrobin: (carbamic acid, [2-[[[1-(4-chlorophenyl)-1H-pyrazol-3-
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yl]oxy]methyl]phenyl]methoxy-, methyl ester) ........................... 23.06%
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Other Ingredients**: ............................................ 76.94%
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Total: ........................................................ 100.00%
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* Equivalent to 2.09 pounds of pyraclostrobin formulated as an aqueous capsule suspension.
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** Contains petroleum distillates
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EPA Reg. No. 7969-314 EPA Est. No.
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KEEP OUT OF REACH OF CHILDREN
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CAUTION/PRECAUCION
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Si usted no entiende la etiqueta, busque a alguien para que se la explique a usted en
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detalle. (If you do not understand this label, find someone to explain it to you in detail.)
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See inside for complete First Aid, Precautionary Statements, Directions For Use,
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Conditions of Sale and Warranty, and state-specific crop and/or use site restrictions.
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In case of an emergency endangering life or property involving this product,
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call day or night 1-800-832-HELP (4357).
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Net Contents:
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BASF Agricultural Solutions US LLC
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2 TW Alexander Drive
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Research Triangle Park, NC 27713
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Feb 19, 2026
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7969-314
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2
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Precautionary Statements
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Hazards to Humans and Domestic Animals
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CAUTION. Harmful if swallowed.
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Personal Protective Equipment (PPE)
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Applicators and other handlers must wear:
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• Long-sleeved shirt and long pants
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• Chemical-resistant gloves made of waterproof material
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(barrier laminate, butyl rubber ≥ 14 mils, nitrile rubber
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≥ 14 mils, or Viton ≥ 14 mils)
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• Shoes plus socks
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Follow the manufacturer’s instructions for cleaning and
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maintaining PPE. If no such instructions for washables
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exist, use detergent and hot water. Keep and wash PPE
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separately from other laundry.
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Engineering Controls Statement
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When handlers use closed systems, enclosed cabs, or air-
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craft in a manner that meets the requirements listed in the
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Worker Protection Standard (WPS) for agricultural
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pesticides [40 CFR 170.240(d)(4-6)], the handler PPE
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requirements may be reduced or modified as specified in
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the WPS.
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USER SAFETY RECOMMENDATIONS
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Users should:
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• Wash hands before eating, drinking, chewing gum,
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using tobacco, or using the toilet.
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• Remove clothing/PPE immediately if pesticide gets
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inside. Then wash thoroughly and put on clean
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clothing.
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• Remove PPE immediately after handling this product.
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Wash the outside of gloves before removing. As soon
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as possible, wash thoroughly and change into clean
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clothing.
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Environmental Hazards
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This product may contaminate water through drift of spray
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in wind.
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This pesticide is toxic to fish and aquatic invertebrates.
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Drift and runoff may be hazardous to aquatic organisms in
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water adjacent to treated areas.
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DO NOT apply directly to water, areas where surface
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water is present, or intertidal areas below the mean high
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water mark. DO NOT contaminate water when disposing
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of equipment washwaters or rinsate.
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Groundwater Advisory
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This chemical has properties and characteristics associat-
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ed with chemicals detected in groundwater. Pyraclostrobin
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is known to leach through soil into groundwater under cer-
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tain conditions as a result of label use. This chemical may
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leach into groundwater if used in areas where soils are
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permeable, particularly where the water table is shallow.
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FIRST AID
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If swallowed
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• Call a poison control center or doctor immediately for treatment advice.
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• Have person sip a glass of water if able to swallow.
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• DO NOT induce vomiting unless told to do so by a poison control center or doctor.
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• DO NOT give anything by mouth to an unconscious person.
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If in eyes
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• Hold eyes open and rinse slowly and gently with water for 15 to 20 minutes.
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• Remove contact lenses, if present, after first 5 minutes; then continue rinsing eyes.
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• Call a poison control center or doctor for treatment advice.
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If on skin or clothing
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• Take off contaminated clothing.
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• Rinse skin immediately with plenty of water for 15 to 20 minutes.
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• Call a poison control center or doctor for treatment advice.
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If inhaled
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• Move person to fresh air.
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• If person is not breathing, call 911 or an ambulance; then give artificial respiration, preferably
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by mouth to mouth, if possible.
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• Call a poison control center or doctor for further treatment advice.
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Note to Physician: May pose an aspiration pneumonia hazard.
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HOTLINE NUMBER
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Have the product container or label with you when calling a poison control center or doctor or going for treatment.
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You may also contact BASF Agricultural Solutions US LLC (hereafter “BASF”) for emergency medical treatment infor-
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mation: 1-800-832-HELP (4357).
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3
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Surface Water Advisory
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This product may impact surface water quality due to
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runoff of rain water. This is especially true for poorly drain-
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ing soils and soils with shallow ground water. This product
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is classified as having high potential for reaching surface
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water via runoff for several months or more after applica-
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tion. A level, well-maintained vegetative buffer strip
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between areas to which this product is applied and
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surface water features including ponds, streams, and
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springs will reduce the potential loading of pyraclostrobin
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from runoff water and sediment. Runoff of this product will
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be reduced by avoiding applications when rainfall or irriga-
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tion is expected to occur within 48 hours. Sound erosion
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control practices will reduce this product’s contribution to
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surface water contamination.
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Directions For Use
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It is a violation of federal law to use this product in a man-
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ner inconsistent with its labeling. DO NOT apply this
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product in a way that will contact workers or other per-
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sons, either directly or through drift. Only protected
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handlers may be in the area during application. For any
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requirements specific to your state or tribe, consult the
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agency responsible for pesticide regulation.
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AGRICULTURAL USE REQUIREMENTS
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Use this product only in accordance with its labeling and
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with the Worker Protection Standard (WPS), 40 CFR part
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170. This standard contains requirements for the protec-
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tion of agricultural workers on farms, forests, nurseries,
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and greenhouses, and handlers of agricultural pesti-
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cides. It contains requirements for training,
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decontamination, notification, and emergency assis-
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tance. It also contains specific instructions and
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exceptions pertaining to the statements on this label
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about personal protective equipment (PPE), notification
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to workers, and restricted- entry interval. The require-
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ments in this box only apply to uses of this product that
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are covered by the Worker Protection Standard.
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DO NOT enter or allow worker entry into treated areas
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during the restricted-entry interval (REI) of 12 hours.
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PPE required for early entry to treated areas that is per-
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mitted under the Worker Protection Standard and that
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involves contact with anything that has been treated,
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such as plants, soil, or water, is:
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• Coveralls
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• Chemical-resistant gloves made of waterproof material
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(barrier laminate, butyl rubber ≥ 14 mils, nitrile rubber
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≥ 14 mils, or Viton ≥ 14 mils)
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• Shoes plus socks
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STORAGE AND DISPOSAL
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DO NOT contaminate water, food, or feed by storage or
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disposal.
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Pesticide Storage
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Store in original containers only. Keep container closed
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when not in use. DO NOT store near food or feed.
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Pesticide Disposal
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Wastes resulting from using this product may be dis-
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posed of on-site or at an approved waste disposal
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facility. If these wastes cannot be disposed of according
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to label instructions, contact your State Pesticide or
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Environmental Control Agency, or the Hazardous Waste
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representatives at the nearest EPA Regional Office for
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guidance.
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Container Disposal
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Nonrefillable Container. DO NOT reuse or refill
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this container. Triple rinse or pressure rinse container
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(or equivalent) promptly after emptying; then offer for
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recycling, if available, or reconditioning, if appropriate, or
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puncture and dispose of in a sanitary landfill, or by incin-
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eration, or by other procedures approved by state and
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local authorities.
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Triple rinse containers small enough to shake
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(capacity ≤ 5 gallons) as follows: Empty the remain-
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ing contents into application equipment or a mix tank
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and drain for 10 seconds after the flow begins to drip.
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Fill the container 1/4 full with water and recap. Shake for
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10 seconds. Pour rinsate into application equipment or a
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mix tank, or store rinsate for later use or disposal. Drain
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for 10 seconds after the flow begins to drip. Repeat this
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procedure two more times.
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Triple rinse containers too large to shake
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(capacity > 5 gallons) as follows: Empty the remain-
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ing contents into application equipment or a mix tank.
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Fill the container 1/4 full with water. Replace and tighten
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closures. Tip container on its side and roll it back and
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forth, ensuring at least one complete revolution, for
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30 seconds. Stand the container on its end and tip it
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back and forth several times. Turn the container over
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onto its other end and tip it back and forth several times.
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Empty the rinsate into application equipment or a mix
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tank, or store rinsate for later use or disposal. Repeat
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this procedure two more times.
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Pressure rinse as follows: Empty the remaining con-
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tents into application equipment or mix tank and
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continue to drain for 10 seconds after the flow begins to
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drip. Hold container upside down over application
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equipment or mix tank, or collect rinsate for later use or
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disposal. Insert pressure rinsing nozzle in the side of the
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container and rinse at about 40 PSI for at least 30 sec-
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onds. Drain for 10 seconds after the flow begins to drip.
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(continued)
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4
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STORAGE AND DISPOSAL (continued)
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Container Disposal (continued)
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Refillable Container. Refill this container with pesticide
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only. DO NOT reuse this container for any other purpose.
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Triple rinsing the container before final disposal is the
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responsibility of the person disposing of the container.
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Cleaning before refilling is the responsibility of the refiller.
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Triple rinse as follows: To clean the container before
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final disposal, empty the remaining contents from this
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container into application equipment or mix tank. Fill the
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container about 10% full with water. Agitate vigorously or
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recirculate water with the pump for 2 minutes. Pour or
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pump rinsate into application equipment or rinsate col-
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lection system. Repeat this rinsing procedure two more
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times.
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When this container is empty, replace the cap and seal all
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openings that have been opened during use; return the
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container to the point of purchase or to a designated
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location. This container must only be refilled with a pesti-
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cide product. Prior to refilling, inspect carefully for damage
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such as cracks, punctures, abrasions, worn-out threads
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and closure devices. Check for leaks after refilling and
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before transport. DO NOT transport if this container is
|
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damaged or leaking. If the container is damaged, or leak-
|
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ing, or obsolete and not returned to the point of purchase
|
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or to a designated location, triple rinse emptied container
|
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and offer for recycling, if available, or dispose of container
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in compliance with state and local regulations.
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In Case of Emergency
|
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In case of large-scale spillage regarding this product, call:
|
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• CHEMTREC 1-800-424-9300
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• BASF 1-800-832-HELP (4357)
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Steps to be taken in case material is released or
|
||||
spilled:
|
||||
• In case of spill on floor or paved surfaces, mop and
|
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remove to chemical waste storage area until proper dis-
|
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posal can be made if product cannot be used according
|
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to label.
|
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• Dike and contain the spill with inert material (sand, earth,
|
||||
etc.) and transfer liquid and solid diking material to sepa-
|
||||
rate containers for disposal.
|
||||
• Remove contaminated clothing and wash affected skin
|
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areas with soap and water.
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• Wash clothing before reuse.
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• Keep the spill out of all sewers and open bodies of water.
|
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General Information
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This package contains BAS 500 20 F fungicide, an
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aqueous capsule suspension. The active ingredient in
|
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BAS 500 20 F, pyraclostrobin, is a member of the
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strobilurin class of chemistry and is derived from a
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natural antifungal substance. Preventive applications opti-
|
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mize disease control, resulting in improved plant health.
|
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To maximize disease control, apply BAS 500 20 F in a
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regularly scheduled protective spray program and use in a
|
||||
rotation program with other fungicides.
|
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Because of its high specific activity, BAS 500 20 F has
|
||||
good residual activity against target fungi.
|
||||
BAS 500 20 F is not for use in greenhouse or transplant
|
||||
production.
|
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Mode of Action
|
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Pyraclostrobin, the active ingredient of BAS 500 20 F,
|
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belongs to the group of respiration inhibitors classified by
|
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the U.S. EPA and Canada PMRA as Quinone Outside
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||||
Inhibitors (QoI), or target site of action Group 11
|
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fungicides.
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||||
Resistance Management
|
||||
BAS 500 20 F contains pyraclostrobin, a Group 11
|
||||
fungicide, and is effective against pathogens resistant to
|
||||
fungicides with modes of action different from those of
|
||||
QoI fungicides (target site Group 11), such as
|
||||
dicarboximides, sterol inhibitors, benzimidazoles, or
|
||||
phenylamides.
|
||||
Fungal isolates resistant to Group 11 fungicides, such as
|
||||
pyraclostrobin, azoxystrobin, fluoxastrobin, trifloxystrobin,
|
||||
and kresoxim-methyl, may eventually dominate the fungal
|
||||
population if Group 11 fungicides are used predominantly
|
||||
and repeatedly in the same field in successive years as the
|
||||
primary method of control for the targeted pathogen spe-
|
||||
cies. This may result in reduction of disease control by
|
||||
BAS 500 20 F or other Group 11 fungicides. Follow label
|
||||
instructions regarding the use of BAS 500 20 F or other
|
||||
target site of action Group 11 fungicides that have a simi-
|
||||
lar site of action on the same pathogens.
|
||||
When using a Group 11 fungicide as a solo product, the
|
||||
number of applications must be no more than 1/3 of the
|
||||
total number of fungicide applications per season.
|
||||
In programs in which tank mixes or pre-mixes of a
|
||||
Group 11 fungicide with a fungicide of another group are
|
||||
utilized, the number of Group 11 fungicide (QoI)- containing
|
||||
applications should be no more than 1/2 of the total num-
|
||||
ber of fungicide applications per season.
|
||||
In programs in which applications of Group 11 fungicides
|
||||
are made with both solo products and mixtures, the num-
|
||||
ber of Group 11 fungicide (Qol)-containing applications
|
||||
should be no more than 1/2 of the total number of fungi-
|
||||
cide applications per season.
|
||||
For resistance management, BAS 500 20 F contains a
|
||||
Group 11 fungicide. Any fungal population may contain
|
||||
individuals naturally resistant to BAS 500 20 F and other
|
||||
Group 11 fungicides. A gradual or total loss of pest con-
|
||||
trol may occur over time if these fungicides are used
|
||||
repeatedly in the same fields. Appropriate resistance-
|
||||
management strategies should be followed.
|
||||
|
||||
5
|
||||
To delay fungicide resistance, take one or more of the fol-
|
||||
lowing steps:
|
||||
• Rotate the use of BAS 500 20 F fungicide or other
|
||||
Group 11 fungicides within a growing season sequence
|
||||
with different groups that control the same pathogens.
|
||||
• Use tank mixtures with fungicides from different target-
|
||||
site-of-action groups that are registered/permitted for the
|
||||
same use and that are effective against the pathogens of
|
||||
concern. Use at least the minimum application rate as
|
||||
labeled by the manufacturer.
|
||||
• Adopt an integrated disease management program for
|
||||
fungicide use that includes scouting, uses historical infor-
|
||||
mation related to pesticide use, and crop rotation, and
|
||||
which considers host plant resistance, impact of environ-
|
||||
mental conditions on disease development, disease
|
||||
thresholds, as well as cultural, biological and other chemi-
|
||||
cal control practices to reduce disease development.
|
||||
• Consult your local extension specialist, certified crop
|
||||
advisor and/or BASF representative for additional IPM
|
||||
strategies established for your area. BAS 500 20 F can
|
||||
be used in agricultural extension advisory (disease fore-
|
||||
casting) programs, which recommend application timing
|
||||
based on environmental factors favorable for disease
|
||||
development.
|
||||
• Where possible, make use of predictive disease models
|
||||
to effectively time fungicide applications. Note that using
|
||||
predictive models alone is not sufficient to manage
|
||||
resistance.
|
||||
• Monitor treated fungal populations for resistance
|
||||
development.
|
||||
• Monitor efficacy of all fungicides used in the disease
|
||||
management program against the targeted pathogen
|
||||
and record other factors that may influence fungicide
|
||||
performance and/or disease development. If a Group 11
|
||||
target-site fungicide, such as BAS 500 20 F, appears to
|
||||
be less effective against a pathogen that it previously
|
||||
controlled or suppressed, contact a BASF representa-
|
||||
tive, local extension specialist, or certified crop advisor
|
||||
for further investigation.
|
||||
• Contact your local extension specialist or certified crop
|
||||
advisor for any additional pesticide resistance- management
|
||||
and/or IPM recommendations for specific crops and
|
||||
pathogens.
|
||||
Application Instructions
|
||||
Apply rate of BAS 500 20 F as instructed in BAS 500 20 F
|
||||
fungicide Crop-specific Requirements . Apply
|
||||
BAS 500 20 F with ground sprayer, aerial equipment or
|
||||
through sprinkler irrigation equipment. Check equipment
|
||||
frequently for calibration.
|
||||
Under low-level disease conditions, the minimum applica-
|
||||
tion rates can be used while maximum application rates
|
||||
and shortened spray schedules are recommended for
|
||||
severe or threatening disease conditions.
|
||||
The use of a crop oil or adjuvant may be used to improve
|
||||
spray coverage. Refer to the adjuvant product label for
|
||||
specific use directions and restrictions. For optimum
|
||||
results in cases of high disease pressure, use a minimum
|
||||
spray volume of 4 gpa.
|
||||
Consult a BASF representative or local agricultural authori-
|
||||
ty for more information concerning additives.
|
||||
Cleaning Spray Equipment
|
||||
Spraying equipment must be cleaned thoroughly before
|
||||
and after applying this product, particularly if a product
|
||||
with the potential to injure crops was used prior to
|
||||
BAS 500 20 F.
|
||||
Ground Application
|
||||
Apply BAS 500 20 F in sufficient water to ensure thorough
|
||||
coverage of foliage. Thorough coverage is required for
|
||||
optimum disease control.
|
||||
Instructions for Directed or Banded Sprays
|
||||
Related to Ground Applications
|
||||
The application rate shown in BAS 500 20 F fungicide
|
||||
Crop-specific Requirements pertains to both aerial and
|
||||
ground (broadcast) methods of application. BAS 500 20 F
|
||||
may also be applied as a directed or banded spray over
|
||||
the rows or plant beds with alleys or row middles left
|
||||
unsprayed. For such uses, reduce the rate of
|
||||
BAS 500 20 F in proportion to the area actually sprayed.
|
||||
This adjustment is necessary to prevent applying the prod-
|
||||
uct at use rates higher than permitted on this label.
|
||||
The following formula may be used to determine the
|
||||
broadcast equivalent rate for doing directed or banded
|
||||
sprays:
|
||||
sprayed bed width + unsprayed row middles =
|
||||
total row width
|
||||
sprayed bed
|
||||
width in inches x broadcast rate = band rate
|
||||
total row
|
||||
width in inches
|
||||
treated acre field acre
|
||||
Example: A directed spray application will be made to
|
||||
45-inch plant beds separated by 15 inches of unsprayed
|
||||
row-middles.
|
||||
45 inches sprayed bed width + 15 inches unsprayed row
|
||||
middles = 60 inches total row width
|
||||
The calculations to determine the appropriate equivalent
|
||||
rate of product to use for this situation based on a label
|
||||
broadcast rate of 6 fl ozs/acre follows:
|
||||
45 inches
|
||||
sprayed bed width x
|
||||
6 fl ozs
|
||||
BAS 500 20 F=
|
||||
4.5 fl ozs
|
||||
BAS 500 20 F
|
||||
60 inches
|
||||
total row width
|
||||
treated acre field acre
|
||||
|
||||
6
|
||||
Aerial Application
|
||||
Unless otherwise specified on this label, use no less than
|
||||
2 gallons of spray solution per acre.
|
||||
Aerial applications of BAS 500 20 F fungicide may be
|
||||
made in water volumes of 2 or more gallons of spray solu-
|
||||
tion per acre (gpa).
|
||||
Select spray nozzles, pumping pressure, and sprayer
|
||||
height to provide spray droplets that penetrate throughout
|
||||
the crop canopy. Spray calibration must be conducted to
|
||||
confirm spray droplet sizes. Continue to monitor spray
|
||||
application (including weather conditions) to assure proper
|
||||
droplet size and canopy penetration.
|
||||
No aerial application in New York State except as
|
||||
permitted under FIFRA Section 24(c), Special Local
|
||||
Need Registration.
|
||||
Aerial Application Methods and Equipment
|
||||
The interaction of many equipment-related and weather-
|
||||
related factors determines the potential for spray drift. The
|
||||
applicator and the grower are responsible for considering
|
||||
all these factors when making decisions.
|
||||
DO NOT apply under circumstances where possible drift
|
||||
to unprotected persons, to food, forage, or other plantings
|
||||
that might be damaged, or crops thereof rendered unfit for
|
||||
sale, use or consumption can occur.
|
||||
The following drift management requirements must be fol-
|
||||
lowed to avoid off-target drift movement to agricultural field
|
||||
crops. These requirements do not apply to forestry appli-
|
||||
cations, public health uses or to applications using dry
|
||||
formulations.
|
||||
Mandatory Spray Drift Management
|
||||
Aerial Applications:
|
||||
• DO NOT release spray at a height greater than 10 ft
|
||||
above the ground or vegetative canopy, unless a great-
|
||||
er application height is necessary for pilot safety.
|
||||
• Applicators are required to select nozzle and pressure
|
||||
that deliver a medium or coarser droplet size
|
||||
(ASABE S641).
|
||||
• DO NOT apply when wind speeds exceed 15 mph at
|
||||
the application site. If the windspeed is greater than
|
||||
10 mph, the boom length must be 65% or less of the
|
||||
wingspan for fixed wing aircraft and 75% or less of the
|
||||
rotor diameter for helicopters. Otherwise, the boom
|
||||
length must be 75% or less of the wingspan for fixed-
|
||||
wing aircraft and 90% or less of the rotor diameter for
|
||||
helicopters
|
||||
• If the windspeed is 10 miles per hour or less, applica-
|
||||
tors must use 1/2 swath displacement upwind at the
|
||||
downwind edge of the field. When the windspeed is
|
||||
between 11 to 15 miles per hour, applicators must use
|
||||
3/4 swath displacement upwind at the downwind edge
|
||||
of the field.
|
||||
• DO NOT apply during temperature inversions.
|
||||
(continued)
|
||||
Mandatory Spray Drift Management
|
||||
(continued)
|
||||
Ground Boom Applications:
|
||||
• User must only apply with the release height recom-
|
||||
mended by the manufacturer, but no more than 4 ft
|
||||
above the ground or crop canopy.
|
||||
• Applicators are required to select nozzle and pressure
|
||||
that deliver a medium or coarser droplet size
|
||||
(ASABE S572).
|
||||
• DO NOT apply when wind speeds exceed 15 miles
|
||||
per hour at the application site.
|
||||
• DO NOT apply during temperature inversions.
|
||||
Spray Drift Advisories
|
||||
THE APPLICATOR IS RESPONSIBLE FOR AVOIDING
|
||||
OFF-SITE SPRAY DRIFT. BE AWARE OF NEARBY
|
||||
NON-TARGET SITES AND ENVIRONMENTAL CONDITIONS.
|
||||
Importance of Droplet Size
|
||||
An effective way to reduce spray drift is to apply large drop-
|
||||
lets. Use the largest droplets that provide target pest
|
||||
control. While applying larger droplets will reduce spray drift,
|
||||
the potential for drift will be greater if applications are made
|
||||
improperly or under unfavorable environmental conditions.
|
||||
Controlling Droplet Size – Ground Boom
|
||||
• Volume - Increasing the spray volume so that larger
|
||||
droplets are produced will reduce spray drift. Use the
|
||||
highest practical spray volume for the application. If a
|
||||
greater spray volume is needed, consider using a nozzle
|
||||
with a higher flow rate.
|
||||
• Pressure - Use the lowest spray pressure recommend-
|
||||
ed for the nozzle to produce the target spray volume and
|
||||
droplet size.
|
||||
• Spray Nozzle - Use a spray nozzle that is designed for
|
||||
the intended application. Consider using nozzles
|
||||
designed to reduce drift.
|
||||
Controlling Droplet Size - Aircraft
|
||||
• Adjust Nozzles - Follow nozzle manufacturers’ recom-
|
||||
mendations for setting up nozzles. Generally, to reduce
|
||||
fine droplets, nozzles should be oriented parallel with the
|
||||
airflow in flight.
|
||||
Boom Height - Ground Boom
|
||||
For ground equipment, the boom should remain level with
|
||||
the crop and have minimal bounce.
|
||||
Release Height - Aircraft
|
||||
Higher release heights increase the potential for spray drift.
|
||||
Shielded Sprayers
|
||||
Shielding the boom or individual nozzles can reduce spray
|
||||
drift. Consider using shielded sprayers. Verify that the
|
||||
shields are not interfering with the uniform deposition of
|
||||
the spray on the target area.
|
||||
Temperature and Humidity
|
||||
When making applications in hot and dry conditions, use
|
||||
larger droplets to reduce effects of evaporation.
|
||||
|
||||
7
|
||||
Temperature Inversions
|
||||
Drift potential is high during a temperature inversion.
|
||||
Temperature inversions are characterized by increasing
|
||||
temperature with altitude and are common on nights with
|
||||
limited cloud cover and light to no wind. The presence of
|
||||
an inversion can be indicated by ground fog or by the
|
||||
movement of smoke from a ground source or an aircraft
|
||||
smoke generator. Smoke that layers and moves laterally in
|
||||
a concentrated cloud (under low wind conditions) indicates
|
||||
an inversion, while smoke that moves upward and rapidly
|
||||
dissipates indicates good vertical mixing. Avoid applica-
|
||||
tions during temperature inversions.
|
||||
Wind
|
||||
Drift potential generally increases with wind speed. AVOID
|
||||
APPLICATIONS DURING GUSTY WIND CONDITIONS.
|
||||
Applicators need to be familiar with local wind patterns
|
||||
and terrain that could affect spray drift.
|
||||
Boomless Ground Applications
|
||||
Setting nozzles at the lowest effective height will help to
|
||||
reduce the potential for spray drift.
|
||||
Handheld Technology Applications
|
||||
Take precautions to minimize spray drift.
|
||||
Directions For Use Through Sprinkler
|
||||
Irrigation Systems
|
||||
Sprayer Preparation
|
||||
Chemical tank and injector system should be thoroughly
|
||||
cleaned. Flush system with clean water.
|
||||
Application Instructions
|
||||
Apply BAS 500 20 F fungicide at rates and timings as
|
||||
required in this label.
|
||||
Use Precautions For Sprinkler Irrigation
|
||||
Applications
|
||||
• Apply this product only through sprinkler irrigation sys-
|
||||
tems including center pivot, lateral move, end tow, side
|
||||
[wheel] roll, traveler, big gun, solid set, or hand move irri-
|
||||
gation systems. DO NOT apply this product through any
|
||||
other type of irrigation system.
|
||||
• Add this product to the pesticide supply tank containing
|
||||
sufficient water to maintain a continuous flow by the
|
||||
injection equipment. In continuous moving systems,
|
||||
inject this product/water mixture continuously, applying
|
||||
the labeled rate per acre for that crop. DO NOT exceed
|
||||
1/2 inch (13,577 gallons) per acre. In stationary or non-
|
||||
continuous moving systems, inject the product/water
|
||||
mixture in the last 15 to 30 minutes of each set allowing
|
||||
sufficient time for all of the required pesticide to be
|
||||
applied by all the sprinkler heads and applying the
|
||||
labeled rate per acre for that crop. DO NOT apply when
|
||||
wind speed favors drift beyond the area intended for
|
||||
treatment. Crop injury, lack of effectiveness, or illegal
|
||||
pesticide residues in the crop can result from non-
|
||||
uniform distribution of treated water. Thorough coverage
|
||||
of foliage is required for good control. Maintain good agi-
|
||||
tation during the entire application period.
|
||||
• Contact state extension service specialists, equipment
|
||||
manufacturers or other experts for further investigation.
|
||||
• The system must contain a functional check valve,
|
||||
vacuum-relief valve, and low-pressure drain appropriately
|
||||
located on the irrigation pipeline to prevent water-source
|
||||
contamination from backflow.
|
||||
• The pesticide injection pipeline must contain a functional,
|
||||
automatic, quick-closing check valve to prevent the flow
|
||||
of fluid back toward the injection pump.
|
||||
• The pesticide injection pipeline must also contain a func-
|
||||
tional, normally closed, solenoid-operated valve located
|
||||
on the intake side of the injection pump and connected
|
||||
to the system interlock to prevent fluid from being with-
|
||||
drawn from the supply tank when the irrigation system is
|
||||
either automatically or manually shut down.
|
||||
• The system must contain functional interlocking controls
|
||||
to automatically shut off the pesticide-injection pump
|
||||
when the water pump motor stops.
|
||||
• The irrigation line or water pump must include a function-
|
||||
al pressure switch that will stop the water pump motor
|
||||
when the water pressure decreases to the point where
|
||||
pesticide distribution is adversely affected.
|
||||
• Systems must use a metering pump, such as a positive
|
||||
displacement injection pump (e.g. diaphragm pump),
|
||||
effectively designed and constructed of materials that are
|
||||
compatible with pesticides and capable of being fitted
|
||||
with a system interlock.
|
||||
• Allow sufficient time for pesticide to be flushed through
|
||||
all lines and all nozzles before turning off irrigation water.
|
||||
A person knowledgeable of the chemigation system and
|
||||
responsible for its operation, or under supervision of the
|
||||
responsible person, shall shut the system down and
|
||||
make necessary adjustments should the need arise.
|
||||
• DO NOT connect an irrigation system (including green-
|
||||
house systems) used for pesticide application to a public
|
||||
water system unless the pesticide label-prescribed safe-
|
||||
ty devices for public water systems are in place.
|
||||
Specific Instructions for Public Water
|
||||
Systems:
|
||||
1. Public water system means a system for the provision to
|
||||
the public of piped water for human consumption if such
|
||||
system has at least 15 service connections or regularly
|
||||
serves an average of at least 25 individuals daily at least
|
||||
60 days out of the year.
|
||||
2. Chemigation systems connected to public water sys-
|
||||
tems must contain a functional, reduced-pressure zone,
|
||||
backflow preventer (RPZ) or the functional equivalent in
|
||||
the water supply line upstream from the point of pesti-
|
||||
cide introduction. As an option to the RPZ, the water
|
||||
from the public water system should be discharged into
|
||||
a reservoir tank prior to pesticide introduction. There
|
||||
shall be a complete physical break (air gap) between the
|
||||
|
||||
8
|
||||
outlet end of the fill pipe and the top or overflow rim of
|
||||
the reservoir tank of at least twice the inside diameter of
|
||||
the fill pipe.
|
||||
3. The pesticide injection pipeline must contain a function-
|
||||
al, automatic, quick-closing check valve to prevent the
|
||||
flow of fluid back toward the injection pump.
|
||||
4. The pesticide injection pipeline must contain a function-
|
||||
al, normally closed, solenoid-operated valve located on
|
||||
the intake side of the injection pump and connected to
|
||||
the system interlock to prevent fluid from being with-
|
||||
drawn from the supply tank when the irrigation system is
|
||||
either automatically or manually shut down.
|
||||
5. The system must contain functional interlocking controls
|
||||
to automatically shut off the pesticide injection pump
|
||||
when the water pump motor stops, or in cases where
|
||||
there is no water pump, when the water pressure
|
||||
decreases to the point where pesticide distribution is
|
||||
adversely affected.
|
||||
6. Systems must use a metering pump, such as a positive
|
||||
displacement injection pump (e.g. diaphragm pump),
|
||||
effectively designed and constructed of materials that
|
||||
are compatible with pesticides and capable of being fit-
|
||||
ted with a system interlock.
|
||||
Additives and Tank Mixing Information
|
||||
BAS 500 20 F fungicide can be tank mixed with most
|
||||
recommended fungicides, insecticides, herbicides, liquid
|
||||
fertilizers, biological control products, adjuvants, and
|
||||
additives as specified in BAS 500 20 F fungicide
|
||||
Crop-specific Requirements .
|
||||
Under some conditions, the use of additives or adjuvants
|
||||
may improve the performance of BAS 500 20 F. However,
|
||||
all varieties and cultivars have not been tested with possi-
|
||||
ble tank mix combinations. Local conditions can also
|
||||
influence crop tolerance and may not match those under
|
||||
which BASF has conducted testing. Physical incompatibili-
|
||||
ty, reduced disease control, or crop injury may result from
|
||||
mixing BAS 500 20 F with other products. Therefore,
|
||||
before using any tank mix (fungicides, insecticides, herbi-
|
||||
cides, liquid fertilizers, biological control products,
|
||||
adjuvants and additives), test the combination on a small
|
||||
portion of the crop to be treated to ensure that a phytotox-
|
||||
ic response will not occur as a result of application. Always
|
||||
follow the most restrictive label.
|
||||
When an adjuvant is to be used with this product, BASF
|
||||
recommends the use of a Council of Producers &
|
||||
Distributors of Agrotechnology certified adjuvant.
|
||||
Consult a BASF representative or local agricultural authori-
|
||||
ties for more information concerning additives.
|
||||
Mixing Order
|
||||
1. Water - Begin by agitating a thoroughly clean sprayer
|
||||
tank 3/4 full of clean water.
|
||||
2. Agitation - Maintain constant agitation throughout mix-
|
||||
ing and application.
|
||||
3. Inductor - If an inductor is used, rinse it thoroughly
|
||||
after each component has been added.
|
||||
4. Products in PVA bags - Place any product contained
|
||||
in water-soluble PVA bags into the mixing tank. Wait
|
||||
until all water-soluble PVA bags have fully dissolved and
|
||||
the product is evenly mixed in the spray tank before
|
||||
continuing.
|
||||
5. Water-dispersible products (such as dry flowables,
|
||||
wettable powders, suspension concentrates, including
|
||||
BAS 500 20 F or suspo-emulsions)
|
||||
6. Water-soluble products
|
||||
7. Emulsifiable concentrates (such as oil concentrates
|
||||
when applicable)
|
||||
8. Water-soluble additives (such as ammonium sulfate
|
||||
[AMS] or urea ammonium nitrate [UAN] when applicable)
|
||||
9. Remaining quantity of water
|
||||
Make sure that each component is thoroughly mixed and
|
||||
suspended before adding tank mix partners. Maintain con-
|
||||
stant agitation during application.
|
||||
Restrictions and Limitations
|
||||
• DO NOT apply more than 6 fl ozs BAS 500 20 F per
|
||||
acre per season.
|
||||
• DO NOT make more than one application of
|
||||
BAS 500 20 F per season.
|
||||
• DO NOT apply BAS 500 20 F after the V8 growth stage
|
||||
of corn.
|
||||
• DO NOT use BAS 500 20 F in greenhouse or transplant
|
||||
production.
|
||||
• Crop Rotation Restriction - Crops listed on the
|
||||
BAS 500 20 F, Headline® fungicide, Cabrio® EG
|
||||
fungicide and Pristine® fungicide labels may be
|
||||
planted immediately following the last application. For all
|
||||
other crops, DO NOT plant sooner than 14 days after
|
||||
the last application.
|
||||
|
||||
9
|
||||
BAS 500 20 F fungicide Crop-specific Requirements
|
||||
Crop Target Disease
|
||||
Product Use
|
||||
Rate per
|
||||
Application
|
||||
(fl ozs/A)
|
||||
Maximum
|
||||
Product Rate
|
||||
per Season
|
||||
(fl ozs/A)
|
||||
Minimum Time
|
||||
from Application
|
||||
to Harvest
|
||||
(PHI) (days)
|
||||
Corn
|
||||
Field corn
|
||||
Pop corn
|
||||
Seed production corn
|
||||
Anthracnose
|
||||
(Colletotrichum graminicola)
|
||||
Eyespot
|
||||
(Kabatiella zeae)
|
||||
Gray leaf spot
|
||||
(Cercospora zea-maydis)
|
||||
Northern corn leaf blight
|
||||
(Exserohilum turcicum)
|
||||
Northern corn leaf spot
|
||||
(Cochliobolus carbonum)
|
||||
Physoderma brown spot
|
||||
(Physoderma maydis)
|
||||
Rust, common
|
||||
(Puccinia sorghi)
|
||||
Rust, southern
|
||||
(Puccinia polyspora)
|
||||
Southern corn leaf blight
|
||||
(Bipolaris maydis)
|
||||
Yellow leaf blight
|
||||
(Phyllosticta maydis)
|
||||
66
|
||||
(0.1 lb ai/acre)
|
||||
7
|
||||
Application Directions. Begin applications of BAS 500 20 F prior to disease development.
|
||||
BAS 500 20 F may be used with adjuvants. See the Additives and General Tank Mixing Information and Mixing
|
||||
Order sections for more details.
|
||||
No livestock feeding restrictions.
|
||||
DO NOT apply more than 6 fl ozs BAS 500 20 F (0.1 lb ai/A). DO NOT make more than one application of
|
||||
BAS 500 20 F per season.
|
||||
One additional application of a pyraclostrobin-containing product may be made at the VT stage of growth or later,
|
||||
delivering up to 0.2 lb ai/A pyraclostrobin. DO NOT exceed a total of 0.3 lb ai/A for the combined use of pyraclostrobin-
|
||||
containing products in field corn or seed corn when BAS 500 20 F is included in the treatment program.
|
||||
|
||||
10
|
||||
Conditions of Sale and Warranty
|
||||
The Directions For Use of this product reflect the
|
||||
opinion of experts based on field use and tests. The
|
||||
directions are believed to be reliable and must be
|
||||
followed carefully. However, it is impossible to eliminate
|
||||
all risks inherently associated with the use of this
|
||||
product. Crop injury, ineffectiveness or other unintended
|
||||
consequences may result because of such factors as
|
||||
weather conditions, presence of other materials, or use
|
||||
of the product in a manner inconsistent with its labeling,
|
||||
all of which are beyond the control of BASF Agricultural
|
||||
Solutions US LLC (“BASF”) or the Seller. To the extent
|
||||
consistent with applicable law, all such risks shall be
|
||||
assumed by the Buyer.
|
||||
BASF warrants that this product conforms to the
|
||||
chemical description on the label and is reasonably fit for
|
||||
the purposes referred to in the Directions For Use ,
|
||||
subject to the inherent risks, referred to above.
|
||||
TO THE EXTENT CONSISTENT WITH APPLICABLE
|
||||
LAW, BASF MAKES NO OTHER EXPRESS OR
|
||||
IMPLIED WARRANTY OF FITNESS OR
|
||||
MERCHANTABILITY OR ANY OTHER EXPRESS OR
|
||||
IMPLIED WARRANTY.
|
||||
TO THE EXTENT CONSISTENT WITH APPLICABLE
|
||||
LAW, BUYER’S EXCLUSIVE REMEDY AND BASF’S
|
||||
EXCLUSIVE LIABILITY, WHETHER IN CONTRACT,
|
||||
TORT, NEGLIGENCE, STRICT LIABILITY, OR
|
||||
OTHERWISE, SHALL BE LIMITED TO REPAYMENT
|
||||
OF THE PURCHASE PRICE OF THE PRODUCT.
|
||||
TO THE EXTENT CONSISTENT WITH APPLICABLE
|
||||
LAW, BASF AND THE SELLER DISCLAIM ANY
|
||||
LIABILITY FOR CONSEQUENTIAL, EXEMPLARY,
|
||||
SPECIAL OR INDIRECT DAMAGES RESULTING
|
||||
FROM THE USE OR HANDLING OF THIS
|
||||
PRODUCT.
|
||||
BASF and the Seller offer this product, and the Buyer
|
||||
and User accept it, subject to the foregoing Conditions
|
||||
of Sale and Warranty which may be varied only by
|
||||
agreement in writing signed by a duly authorized
|
||||
representative of BASF.
|
||||
1108
|
||||
© 2026 BASF Agricultural Solutions US LLC
|
||||
All rights reserved.
|
||||
007969-00314.20201214d.NVA 2020-04-373-0220
|
||||
Supersedes: NVA 2010-04-373-0037
|
||||
BASF Agricultural Solutions US LLC
|
||||
2 TW Alexander Drive
|
||||
Research Triangle Park, NC 27713
|
||||
Cabrio, Headline, and Pristine are registered trademarks
|
||||
of BASF.
|
||||
Reference in New Issue
Block a user