A study was conducted that examined trace residues of 68 pesticides on organic and conventional crops https://www.forbes.com/sites/stevensavage/2017/03/06/organic-might-not-mean-what-you-think-it-means/#3a6357673c3b
Trace residues of the pesticides tested in this study were found on organic fruits and vegetables. “For 37% of the chemicals, the average residue on organic samples was actually higer than the averages on conventional…”
The amount of pesticides found on both organic and conventional food were in trace amounts and, for the most part, lower than US EPA established tolerance levels.
Finally, it is important to note that pesticides are sprayed on organic food, albeit those pesticides are “certified” for use on organic food and, in most cases, may be differentiated from pesticides applied to conventional crops. However, there may be some overlap between certified-organic and conventional pesticides.
Forbes, March 6, 2017