Checklist · Agriculture

Applying Pesticides Lawfully or Pursuing a Drift Claim: A Practical Checklist

7 U.S.C. § 136

Type
Checklist
Jurisdiction
National
Date
2024-03-30
Topic
Agriculture

This checklist runs pesticide compliance before an application and pesticide response after a drift event. It opens with obtaining the label in effect on the application date, since labels change between seasons and the wrong version produces analysis of the wrong obligations, and with the three label sections where enforcement concentrates. It provides a pre-application checklist covering rate, intervals, buffers, registries, and bulletin checks, together with the condition documentation that constitutes an applicator's entire defense. It covers applicator certification and supervision, the worker protection standard, tolerances and pre-harvest intervals, and the water and species obligations that have become the binding constraints. It closes with drift response for both sides, the state investigation file that decides most claims, per-claim preemption analysis, insurance notice and its traps, and the systems this field now requires.

Applying Pesticides Lawfully or Pursuing a Drift Claim: A Practical Checklist

Agriculture > Pesticides, Drift, and Applicator Licensing | Published 30 March 2024 - Updated 29 May 2026 | UpLaw - uplaw.us

Part 0 — The first document

☐ ⚠️ Obtain the label in effect on the date of application ☐ Not the current one ☐ ☐ Registration number recorded ☐ Establishment number ☐ Batch or lot where available ☐ ☐ Supplemental labeling and any special local needs registration ☐ ☐ Label version retained with its retrieval date ☐ ☐ ⚠️ The operative provision: it is unlawful to use a registered pesticide in a manner inconsistent with its labeling — 7 U.S.C. § 136j ☐ ☐ ⚠️ Enforcement concentrates in three sections: restricted entry interval, application restrictions, and maximum seasonal rate. Read those first.

Part 1 — Pre-application checklist

☐ Product registered for this crop and this use ☐ 7 U.S.C. § 136a ☐ 40 C.F.R. Part 152 ☐ ☐ Rate within the label maximum ☐ Maximum applications per season not exceeded ☐ Maximum seasonal rate remaining calculated ☐ ☐ Crop stage and timing permitted ☐ ☐ Pre-harvest interval compatible with the harvest plan ☐ ☐ Restricted entry interval compatible with field work needs ☐ ⚠️ Where violations originate. ☐ Rotational crop restrictions checked ☐ ☐ Tank mix partners permitted ☐ Adjuvants as specified ☐ ☐ Personal protective equipment available and fitted ☐ 40 C.F.R. Part 156 ☐ ☐ Buffers measured for sensitive areas and adjacent crops ☐ Adjacent crop sensitivity assessed ☐ ☐ Wind speed within the label range ☐ Temperature inversion prohibition observed ☐ ☐ Nozzle, droplet size, boom height, pressure, and ground speed per the label ☐ ☐ Sensitive site registry checked: beekeepers ☐ organic operations ☐ specialty crops ☐ sensitive individuals ☐ schools and childcare ☐ Result printed with date ☐ ☐ Species bulletin or mapping system checked where the label requires ☐ Printed with date ☐ 16 U.S.C. § 1536 ☐ ☐ Water proximity assessed ☐ Permitting analyzed — 33 U.S.C. § 1342 ☐ 40 C.F.R. Part 122 ☐ ☐ Neighbors notified where required or prudent ☐ Notification recorded ☐ ☐ Checklist completed and signed before mixing ☐

Part 2 — Condition documentation at application

☐ Wind speed and direction, with the instrument identified ☐ ☐ Temperature and humidity ☐ Inversion conditions assessed ☐ ☐ Time of start and finish ☐ ☐ Equipment settings: nozzle ☐ pressure ☐ boom height ☐ ground speed ☐ droplet size classification ☐ ☐ Actual rate applied and total volume ☐ ☐ Photographs of the field and adjacent properties, dated ☐ ☐ Applicator name and certification number ☐ Supervised handlers identified ☐ ☐ ⚠️ This documentation is the applicator's entire defense ☐

Part 3 — Applicator certification

☐ Product's restricted use status checked ☐ ☐ Certification framework — 7 U.S.C. § 136i ☐ 40 C.F.R. Part 171 ☐ ☐ Correct category held: private ☐ commercial, by category ☐ Currency verified ☐ ☐ Supervision of noncertified applicators satisfies the label's requirement: instruction provided ☐ certified applicator available as specified ☐ ☐ Restricted use records: product ☐ date ☐ location ☐ rate ☐ target ☐ applicator ☐ Retained for the required period ☐ ☐ State program requirements checked ☐ Reciprocity confirmed where working across state lines ☐ ☐ ⚠️ Enforcement is disproportionately about records ☐

Part 4 — Worker protection

☐ Standard — 40 C.F.R. Part 170 ☐ Adjacent — 29 U.S.C. § 651 ☐ 29 C.F.R. Part 1928 ☐ ☐ Training completed before entry ☐ Records retained ☐ ☐ Posting and oral notification as required ☐ ☐ Restricted entry interval enforced ☐ Early entry only as the standard permits ☐ ☐ Decontamination supplies: water ☐ soap ☐ towels ☐ eyewash where required ☐ ☐ Emergency assistance: transport to medical care ☐ application information to the treating provider ☐ ☐ Personal protective equipment as specified, maintained and fitted ☐ ☐ Application exclusion zone enforced ☐ Minimum age for handlers observed ☐ ☐ Handler and worker information display current ☐

Part 5 — Residues

☐ Tolerance established for this crop — 21 U.S.C. § 346a ☐ 40 C.F.R. Part 180 ☐ ☐ ⚠️ The tolerance standard is health-based and differs from the cost-benefit registration standard. A product may be registered for a use and lack a tolerance for a commodity. ☐ Pre-harvest interval observed and documented ☐ ☐ Import tolerance checked for imported commodities ☐ ☐ Plant-incorporated protectants — 40 C.F.R. Part 174 ☐ ☐ Residue monitoring exposure understood: a violative sample generates traceback ☐ ☐ Buyer specifications frequently stricter than the tolerance ☐ Checked ☐ ☐ Container management and disposal — 40 C.F.R. Part 165 ☐

Part 6 — Drift response, applicator side

☐ Preserve all condition documentation immediately ☐ ☐ Preserve the label version used ☐ Bulletin and registry printouts ☐ ☐ Preserve equipment settings and calibration records ☐ ☐ Do not alter records ☐ Do not speculate to the investigator ☐ ☐ Counsel retained before the interview where exposure is significant ☐ Statements are used in both the enforcement action and the civil case. ☐ Every potentially applicable carrier notified the same week ☐ ☐ Cooperate and produce records promptly ☐ ☐ Neighbor contacted where the relationship permits ☐

Part 7 — Drift response, affected party

☐ Report to the state lead agency immediately ☐ The window is short and evidence degrades. ☐ Dated photographs before symptoms progress ☐ ☐ Tissue samples preserved under the agency protocol ☐ Independent samples taken in parallel ☐ ☐ Weather data obtained for the suspected window ☐ ☐ Applicator and product identified through the investigation ☐ ☐ Nothing else sprayed on the affected area until sampling is complete ☐ ☐ Crop preserved or thoroughly documented before destruction ☐ ☐ State investigation report obtained when it issues ☐ ⚠️ Public, generated at public expense, containing sampling, weather, records, and admissions. ☐ Organic certification consequences assessed where applicable ☐ Loss of certification for affected land can exceed crop damage by a wide margin.

Part 8 — Claims analysis, per claim

☐ Trespass — physical invasion ☐ Nuisance — interference with use and enjoyment ☐ ☐ Negligence — label supplies the standard of care ☐ Negligence per se where recognized ☐ ☐ Claims against both applicator and hiring landowner ☐ ☐ ⚠️ Failure to warn generally preempted — Bates v. Dow Agrosciences LLC ☐ ☐ Two-part preemption test applied per claim: is it a requirement for labeling or packaging ☐ and is it in addition to or different from the federal requirement ☐ Both required. ☐ Survives: design defect ☐ manufacturing defect ☐ negligent testing ☐ express warranty ☐ genuinely parallel failure to warn ☐ ☐ Foreclosed: fraud on the agency — Buckman Co. v. Plaintiffs' Legal Committee ☐ ☐ Local regulation not federally preempted — Wisconsin Public Intervenor v. Mortier ☐ State-imposed preemption of local ordinances checked separately ☐ State authority over agricultural production practices — National Pork Producers Council v. Ross ☐ ☐ Analogies — Wyeth v. Levine ☐ PLIVA, Inc. v. Mensing ☐ Mutual Pharmaceutical Co. v. Bartlett ☐ ☐ ⚠️ No private right of action under the federal statute ☐ Statutory penalties run to the government — 7 U.S.C. § 136l ☐ ☐ ⚠️ The analysis is per claim, not per case ☐

Part 9 — Insurance

☐ Pollution exclusion read in the actual policy wording ☐ ☐ Applicator liability policy obtained where available ☐ Drift coverage express ☐ ☐ ⚠️ Label-compliance condition identified ☐ The fact establishing liability may defeat coverage. Determine whether it is a warranty. ☐ Care, custody, and control exclusion reviewed for the treated crop ☐ ☐ Grower first-party coverage and crop insurance cause-of-loss provisions reviewed ☐ Subrogation anticipated ☐ ☐ Additional insured status required of custom applicators ☐ ☐ ⚠️ Notice given the same week ☐ Late notice is a recurring defense because growers report to the agency and not to the carrier.

Part 10 — Non-agricultural uses

☐ Structural — occupant notification ☐ fumigant monitoring, placarding, and clearance ☐ Fumigant misuse in occupied structures generates the criminal referrals. ☐ Landscape and turf — posting and notification, sometimes by ordinance ☐ ☐ Right-of-way and utility — linear application near water and sensitive properties ☐ Species overlay ☐ ☐ Aquatic — permitting squarely presented ☐ County of Maui v. Hawaii Wildlife Fund ☐ ☐ Aerial — release height ☐ swath displacement ☐ buffers ☐ separate aviation regulation ☐ ☐ Seed treatment — dust-off at planting ☐ treated seed disposal ☐ ☐ Antimicrobials — pathogen claims require registration and data ☐ ☐ ⚠️ Any product claiming to kill, repel, or mitigate a pest — including microorganisms — is a pesticide ☐

Part 11 — Compliance systems

☐ Current label on file for every product, with version and retrieval date ☐ Process for detecting label changes between seasons ☐ ☐ Pre-application checklist in use and signed ☐ ☐ Weather recorded at the site, with the instrument identified ☐ ☐ Records: restricted use ☐ all applications ☐ training ☐ calibration ☐ bulletin printouts with dates ☐ ☐ Adjacent property map with crops and sensitivities, updated annually ☐ ☐ Notification protocol and record ☐ ☐ Incident response plan: who is called ☐ what is preserved ☐ who speaks to the investigator ☐ when carriers are notified ☐ ☐ Annual training covering the three enforcement-heavy sections and the systems to be checked ☐ ☐ Periodic audit of application records against labels for rate exceedances, interval violations, and missing checks ☐ ☐ State matrix for multistate operations: buffers ☐ windows ☐ notification ☐ registries ☐ certification ☐ prohibited products ☐ Updated annually ☐ ☐ ⚠️ Compliance can no longer be satisfied by reading a document once. Systems close the gap between a legal instrument of enormous specificity and a person working against weather.

Part 12 — Label navigation map

Find any provision in under a minute.

Section What it contains Why it matters
Front panel Product name, active ingredient percentages, signal word, child hazard warning, registration and establishment numbers, net contents ⚠️ The registration number retrieves the correct historical version
First aid Treatment instructions Required to be provided to a treating physician
Precautionary statements Hazards to humans and domestic animals, environmental hazards, physical and chemical hazards Source of protective equipment requirements
Personal protective equipment Differs for mixers and loaders, applicators, and early-entry workers Frequently cited in worker cases
Agricultural use requirements Worker protection standard incorporated; restricted entry interval by crop ⚠️ Enforcement-heavy
Directions for use Begins with the inconsistent-use sentence Everything after it is enforceable
Storage and disposal Container management, 40 C.F.R. Part 165
Crop-specific directions Rate, timing, maximum applications, maximum seasonal rate, pre-harvest interval, rotational restrictions ⚠️ Enforcement-heavy
Application restrictions Wind range, inversion prohibition, boom height, nozzle and droplet size, buffers, bulletin requirement ⚠️ Enforcement-heavy; where drift cases live
Mixing and compatibility Tank mix restrictions, adjuvants
Resistance management Increasingly mandatory
Endangered species protection Bulletin references by location and date The growing constraint

☐ Map used in training ☐ Posted where applications are planned ☐

Part 13 — The enforcement process

☐ Complaint triaged by severity and by whether evidence remains recoverable ☐ A complaint weeks later frequently produces no investigation. ☐ Investigation — site visits ☐ photographs ☐ tissue, soil, and water samples under chain of custody ☐ application records ☐ interviews ☐ weather data ☐ ☐ Determination identifying the specific provision ☐ Recurring findings: wind exceeding the maximum ☐ buffer or adjacent crop restriction ☐ rate or applications exceeded ☐ noncertified application without supervision ☐ restricted entry interval ☐ protective equipment ☐ incomplete records ☐ ☐ Sanction — warning letter ☐ civil penalty by gravity, size, and history ☐ license suspension or revocation ☐ criminal referral in rare knowing violations ☐ ☐ Private consequence — a violation finding is admissible and powerful ☐ A no-violation finding is not a defense but changes settlement dynamics ☐ ☐ Response posture: cooperate ☐ produce records promptly ☐ do not speculate ☐ counsel before the interview where exposure is significant ☐

Part 14 — Terminology to keep straight

☐ Pesticide includes herbicides, insecticides, fungicides, rodenticides, and antimicrobials ☐ "Pest" includes microorganisms. ☐ Registration is product-specific and use-specific ☐ Applying to an unregistered crop is a use inconsistent with the labeling. ☐ Restricted use classifies the product and determines who may apply it ☐ ☐ Tolerance is the maximum residue on food ☐ Its absence makes the food adulterated regardless of whether the application was lawful. ☐ ⚠️ Restricted entry interval (after application, before entry) versus pre-harvest interval (before harvest, after which application is prohibited) ☐ Confusing them is common and consequential. ☐ Drift during application versus volatilization afterward ☐ Labels increasingly address them separately ☐ ☐ Misuse is use inconsistent with the labeling and requires no intent ☐ ☐ Misbranding is a defect in the label and is the registrant's problem; misuse is the applicator's ☐ ☐ ⚠️ Identify whose obligation is at issue before analyzing anything ☐

Part 15 — Sensitive neighbors, by type

☐ Organic operations — buffer maintained ☐ ⚠️ A detected residue can trigger loss of certification for affected land for three years. The regulatory consequence dwarfs the crop loss. ☐ Notification before application ☐ ☐ Beekeepers — hive locations from the registry ☐ Bloom timing ☐ Application outside foraging hours where the label directs ☐ Bee kills generate both civil claims and enforcement attention. ☐ Specialty and susceptible crops — grapes, tomatoes, cotton, and ornamentals are sensitive to growth-regulator herbicides at concentrations far below phytotoxic thresholds for field crops ☐ Adjacent crop identified before the season ☐ ☐ Schools, childcare, and healthcare facilities — state notification statutes and timing restrictions ☐ Checked separately from the label ☐ ☐ Registered sensitive individuals — advance notification obligations in several states ☐ ☐ Surface water, wells, and wetlands — setbacks ☐ Drift to water is a discharge question as well as a trespass question ☐ ☐ Listed species habitat — bulletin obligations become label obligations ☐ Nat'l Ass'n of Home Builders v. Defenders of Wildlife ☐ ☐ Residential subdivisions abutting production ground — the fastest-growing source of complaints ☐ Relationship management is genuinely a legal strategy ☐ ☐ Map maintained ☐ Reviewed each season ☐ ⚠️ Most drift claims involve a neighbor the applicator already knew was sensitive.

Part 16 — Damages and proof

☐ Causation: product identified ☐ symptomology consistent ☐ residue detected ☐ pattern consistent with the wind direction ☐ timing consistent ☐ ☐ ⚠️ Symptomology alone is contested. Residue detection plus a directional pattern plus timing is the combination that resolves cases. ☐ Alternative causes addressed: disease ☐ nutrient deficiency ☐ weather ☐ carryover from a prior season ☐ contaminated seed ☐ ☐ Yield loss measured against a comparable unaffected area or documented history ☐ ☐ Quality loss — grade, size, or rejection by the buyer ☐ Buyer specifications produced ☐ ☐ Replanting cost and lost season where total ☐ ☐ Multi-year loss for perennials ☐ Vine and tree injury frequently manifests in subsequent seasons ☐ Plead it; do not settle a vineyard case on one season's numbers. ☐ ☐ Certification loss and its duration ☐ Documented separately ☐ ☐ Diminution in property value where injury is permanent ☐ ☐ Mitigation documented ☐ ☐ Expert retained early enough to direct sampling ☐ ⚠️ An expert retained after the crop is destroyed inherits an unprovable case.

Part 17 — Contracts and allocation

☐ Custom application agreement in writing ☐ Scope, product, rate, and timing specified ☐ ☐ Who supplies the product ☐ Who selects the rate ☐ Who confirms the label permits the use ☐ ⚠️ Unallocated, this becomes the central dispute after a loss. ☐ Indemnity clause reviewed against the actual risk ☐ Insurance requirement with limits and additional insured status ☐ ☐ Certificate of insurance obtained and the policy conditions understood ☐ ☐ Landowner exposure — a landowner who hires an applicator is frequently a defendant ☐ Vicarious liability and the nondelegable duty theories evaluated under state law ☐ ☐ Lease allocation — who bears drift risk between landlord and tenant ☐ Written ☐ ☐ Product supplier warranties and disclaimers read ☐ Remedies frequently limited to purchase price ☐ ☐ Stewardship agreements signed at purchase reviewed ☐ They can impose training and application conditions enforceable by the registrant. ☐ Dispute resolution and venue clauses checked before the loss, not after ☐

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