USDA · Pesticide Data Program

Lettuce, Head

In 2024 the USDA Pesticide Data Program tested 708 samples of lettuce, head for residues of hundreds of pesticides. Residues were found in 54% of samples; 0.0% had a residue above the EPA tolerance.

708samples tested

54%with at least one residue

0.0%above an EPA tolerance

6.5%imported samples

Most frequently found

Share of samples in which each compound was detected, and the EPA tolerance for this food

Compound	Samples	Share	EPA tolerance
Propamocarb hydrochloride	182	26%	150.00 ppm
Ametoctradin	81	11%	40.00 ppm
Flupyradifurone	70	9.9%	30.00 ppm
Flonicamid	49	6.9%	8.00 ppm
Fluopyram	43	6.1%	40.00 ppm
Imidacloprid	33	4.7%	3.50 ppm
Dimethomorph	33	4.7%	30.00 ppm
Fenamidone	25	3.5%	60.00 ppm
Methoxyfenozide	22	3.1%	30.00 ppm
Methomyl	19	2.7%	35.00 ppm
Permethrin cis	16	2.3%	20.00 ppm
Mandipropamid	14	2.0%	25.00 ppm

3 samples (0.4%) had a residue of a compound with no EPA tolerance for this food; PDP reports these to the FDA.

Other foods tested

Almonds Apples Avocado Blackberries, Fresh Cherry Tomatoes Cucumbers Fish, Salmon Lettuce, Leaf Onions Oranges Pineapple, Fresh Pineapple, Frozen Potatoes Pumpkin, Canned Sweet Corn, Fresh Sweet Corn, Frozen Tomatillos

An EPA tolerance is the maximum residue level legally allowed on a food in the United States. A residue found is not, by itself, a safety finding; this page reports the measurements only.

Source: U.S. Department of Agriculture, Agricultural Marketing Service, Pesticide Data Program, 2024 database (ams.usda.gov), public domain · shares calculated by Shelfpedia.