Farmworkers and agricultural pesticide applicators have some of the highest documented occupational glyphosate exposure of any U.S. workers — often by orders of magnitude over residential users. When these workers develop non-Hodgkin lymphoma, multiple myeloma, or other qualifying cancers, their Roundup cases typically have particularly strong causation arguments. They also have practical considerations that distinguish them from other plaintiff categories. This guide walks through what makes farmworker cases distinctive.
The Exposure Profile
Agricultural glyphosate exposure typically involves:
- Direct application. Mixing concentrated formulations, loading sprayers, operating tractor- or boom-mounted spray equipment, hand-spraying with backpack units.
- Reentry exposure. Working in fields shortly after application, picking crops or operating equipment in sprayed areas.
- Container handling. Lifting, pouring, and disposing of concentrate containers, often without adequate PPE.
- Equipment cleaning. Cleaning spray tanks, hoses, and nozzles regularly.
- Drift exposure. Working downwind from applications by themselves or others.
The combination produces cumulative exposures over the course of a multi-decade agricultural career that can be 10 to 100 times higher than residential users.
The Agricultural Health Study
The NIH-funded Agricultural Health Study has tracked tens of thousands of pesticide applicators since 1993 to study cancer outcomes. The AHS data has been important in both directions of the glyphosate-NHL discussion. Plaintiffs cite specific findings on exposure intensity and lymphoma subtypes. Defendants cite the overall study's mixed conclusions on glyphosate. The discovery process in individual cases often includes deep analysis of how the AHS findings apply to the specific plaintiff's exposure history.
What's Different for Farmworker Cases
Documentation
Farm and agricultural employer records sometimes provide direct documentation of pesticide applications — required by EPA and state regulations for many commercial operations. These records can establish exposure intensity, duration, and which specific glyphosate formulations were used. This is a significant advantage over residential cases that rely on consumer memory.
Restricted use products
Some glyphosate formulations are restricted-use pesticides requiring licensed applicators. The licensing records establish the applicator's professional handling history.
Worker Protection Standard compliance
EPA's Worker Protection Standard (40 CFR Part 170) requires specific PPE, training, and reentry intervals. Non-compliance by the employer can become a separate negligence claim alongside the product liability case against Monsanto/Bayer.
Multiple defendants
Farmworker cases sometimes include not only Monsanto/Bayer but also:
- Other glyphosate manufacturers whose products were used (Syngenta, Helena, others depending on the products applied).
- The employer for negligent failure to provide PPE or training.
- Distributors and retailers who supplied the products.
Practical Considerations
- Many farmworkers are immigrants or seasonal workers. Free case reviews are available in Spanish and can accommodate documentation gaps.
- Some farmworkers worked for multiple employers over a long career. Multi-employer exposure histories require careful sequencing but are workable.
- State workers' compensation systems do not eliminate the right to sue the chemical manufacturer. Workers' comp covers the employer; product liability cases proceed against the manufacturer.
- The U.S. Department of Labor has resources to help workers identify the chemical products their employers used.
What Cases Need
- Documented diagnosis of NHL, multiple myeloma, B-cell lymphoma, leukemia, or other qualifying cancer.
- Substantial agricultural exposure history — employment records, application records, training certifications, witness statements.
- Identification of the glyphosate products used.
- Evaluation for competing risk factors.
If You Worked in Agriculture and Were Diagnosed
Free, confidential case review. Agricultural worker cases typically have strong exposure documentation and substantial damages picture.
- Read about who qualifies: Who Qualifies for a Roundup Lawsuit.
- Read about NHL subtypes: NHL Subtypes.
- Read about the IARC vs. EPA framework: IARC vs. EPA Glyphosate Classifications.
Free case review. No fees unless we recover compensation for you.
Sources
- Agricultural Health Study — NIH cohort study of pesticide applicators. aghealth.nih.gov
- U.S. EPA — Worker Protection Standard (40 CFR Part 170). epa.gov
- International Agency for Research on Cancer — Monograph 112 on glyphosate. iarc.who.int
- U.S. Department of Labor — Migrant and Seasonal Worker Protection Act. dol.gov
- National Institute for Occupational Safety and Health — Agricultural worker safety. cdc.gov/niosh