Trends in neonicotinoid pesticide residues in food and water in the United States, 1999-2015

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Frequently Asked Questions

What are neonicotinoid pesticides?
Neonicotinoids are a class of systemic insecticides extensively used on food crops worldwide. These pesticides can persist in the environment and be found in off-target food items, raising concerns about potential human exposure.

Which foods commonly contain neonicotinoid residues?
The study identified high detection frequencies for specific food-neonicotinoid combinations. For instance, imidacloprid was frequently found in cauliflower (57.5%), lettuce (45.6%), and spinach (38.7%), while acetamiprid was common in cherries (45.9%) and apples (29.5%). Overall, low levels are present in many commonly-consumed fruits and vegetables.

Do neonicotinoid levels in US food exceed safety limits?
Generally, the study found that neonicotinoid residues on food commodities in the US between 1999 and 2015 did not exceed US Environmental Protection Agency (EPA) tolerance levels. However, these pesticides were detected in low levels across various fruits and vegetables, including organic commodities.

Were neonicotinoids detected in US water supplies?
Yes, the study observed increasing detection trends for imidacloprid in both finished and untreated water samples in the US from 2004 to 2011. This indicates that neonicotinoid pesticides can contaminate water sources, posing a challenge for water quality.

How can water purification systems address neonicotinoid contamination?
While the study highlights the presence of neonicotinoids in water, advanced purification technologies like reverse osmosis are highly effective in removing such contaminants. AMPAC USA designs and manufactures commercial and industrial reverse osmosis systems, engineered to purify water from a wide range of dissolved solids and chemical residues, ensuring clean and safe water for diverse applications. Our field-experienced engineers understand the complexities of water treatment.