Audit 1:1

CaroVail · 2,4-D · EPA Reg 66330-418 · Herbicide Document last checked 2026-05-30

About this product

Active ingredient 2,4-D

Manufacturer CaroVail

Category Herbicide

Full details for Audit 1:1

Source product label ↗ Open the catalog source label while the local copy is reviewed. Verify the product name, EPA registration number, and revision before use. Source safety data sheet ↗ Open the catalog source SDS while the local copy is reviewed. Verify the exact product and revision before relying on it. EPA registration data Reg. 66330-418 — registry reference, signal word and status.

Applicator discussion

Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.

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According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 66330-418 →

Audit 1:1 is a Group 2 herbicide containing Thifensulfuron-methyl (25.0%) and Tribenuron-methyl (25.0%) as active ingredients. It is a water dispersible granule designed for use on wheat, barley, oats, triticale, and fallow. This product is used to control various broadleaf weeds. It can be applied as a pre-plant or pre-emergence burndown treatment, a post-emergence application during crop growth, or a post-harvest treatment to control stubble. Application rates vary depending on the target crop and timing, ranging from 0.4 to 1.0 ounce per acre. When used in tank mixes, specific instructions must be followed to avoid crop injury. Handling requires wearing long-sleeved shirts, long pants, chemical-resistant gloves, and shoe covers. Avoid contact with eyes, skin, or clothing. If contact occurs, rinse eyes with water for 15-20 minutes and wash skin with soap and water. Always follow sprayer calibration and wind speed precautions to prevent off-target drift.

Pests covered (1)

broadleaf weeds

Areas treatable (1)

Wheat, Barley, Oats, Triticale, and Fallow

How to treat each type of area 1

Wheat, Barley, Oats, Triticale, and Fallow

Target pest	Location	Rate	Unit	Label notes
broadleaf weeds	Outdoor	0.4 to 1.0	ounce per acre	Can be used as pre-plant/pre-emergence burndown, post-emergence, or post-harvest stubble treatment.

Mixing instructions 1

For pests	Location	Label notes
broadleaf weeds	Outdoor	Can be tank-mixed with certain herbicides like 2,4-D, MCPA, or dicamba; follow specific label instructions for tank-mixes to avoid crop injury.

Worker safety

PPE required Long-sleeved shirt and long pants; chemical-resistant gloves of any waterproof material including natural rubber; shoe covers; socks plus shoes.

Timing & weather

Do not apply during temperature inversions.
Do not apply when wind speeds exceed 10 mph.
Avoid application during high humidity or heavy rainfall to prevent crop injury.

Use restrictions 5

Do not apply in the state of New York.
Do not apply through any irrigation system.
Do not exceed maximum application rate of 1.0 ounce per acre.
Do not apply in a way that contacts workers or other persons.
Do not use in tank mixes with certain herbicides unless specific instructions are followed.