Fresh and processed fruit and vegetables accounted for 90.3% of the 10,365 samples collected by the program in 2016, according to the 200-page report. The USDA said 502 of samples (4.8%) were organic.
According to the report, more than 99.5% of the samples had pesticide residues well below levels established by the EPA and 22% had no detectable residue. The USDA report is one source of residue data interpreted by the Environmental Working Group to create its annual Dirty Dozen/Clean 15 ranking of fruits and vegetables.
According to an article by geneticliteracyproject.org, residues exceeding the tolerance were detected in 0.46%; of these 48 samples, 26 were domestic, 20 were imported, and 2 were of unknown origin.