How can you determine if organic foods are free from pesticides?

In 2006, the U.S. Congress mandated the U.S. Environmental Protection Agency (EPA) to assess the safety of nearly 10,000 agricultural pesticides, primarily driven by concerns over child safety [source: Schneider]. While children are not the sole group exposed, their smaller bodies make them more susceptible to the effects of trace pesticides compared to adults.

The actual impact of these pesticides remains somewhat unclear. The EPA has evaluated and approved the trace levels of pesticides currently present in foods produced, processed, or sold in the United States. However, animal studies suggest that some of these "safe" pesticides may lead to health issues, including brain and developmental damage [source: Schneider]. For instance, one study revealed that chlorpyrifos, a pesticide linked to cognitive issues in rats, was found in significant levels in children who consume standard amounts of conventionally grown produce [source: Schneider].

The same research found that after switching those children to organic produce, chlorpyrifos became undetectable in their bodies within just 36 hours.

A growing number of individuals are opting for organic food, primarily to reduce exposure to potentially dangerous chemicals. Organic products are considered safer, healthier, and more environmentally friendly. They are thought to be cultivated without pesticides, and consumers are willing to pay a premium for the confidence that they and their children are not consuming harmful substances.

Is this confidence justified? Does the term 'organic' guarantee the absence of pesticides? How can you be certain that the apple you're purchasing is truly healthier?

In this article, we will explore the connection between organic farming and pesticide use. We will examine what qualifies as 'organic,' what practices are banned, and how you can verify if the apple you're buying is genuinely free from pesticides.

Ideally, when you purchase an organic apple, it should be completely free of pesticides.

To some extent.

The Organic Ideal

The worry about pesticide use in farming has significantly driven the rapid expansion of the organic industry in the past decade. Once a niche product available only in specialty stores to affluent or health-conscious buyers, organic food is now widely accessible. You can find organic food in mainstream grocery stores and even under generic labels.

All organic food should be devoid of the synthetic, chemical pesticides (and herbicides) that concern most consumers. However, not all pesticides are banned in organic farming.

A core principle of organic farming is balance. Organic farmers utilize natural resources like beneficial worms and diatomaceous earth to safeguard crops from pests. Occasionally, natural pesticides are necessary, such as insecticidal bacterium, dried chrysanthemum flowers, or Derris plant roots (rotenone).

When opting for synthetics-free products, it's crucial to understand labeling differences. "Organic" is a certified term, distinct from "pesticide-free." These labels reflect different standards, with "organic" being the stricter, especially under USDA certification. "Pesticide-free" lacks regulation and may only imply the absence of synthetic pesticides. In contrast, "organic" requires no synthetic pesticides and soil free of such chemicals for at least three years.

In an ideal scenario, organic food is free from harmful chemicals, making it healthier and more natural.

However, certain challenges make it hard to guarantee that purchasing organic ensures the ideal product or justifies the higher cost.

The Organic Reality

When you purchase an organic apple at a premium, say 25% more than a conventional one, you're placing your trust in a system. This could be the USDA certification, a state program, or even the farmer who grew the apple under organic practices.

In any case, it involves trust, which is the primary challenge with organics: the label 'organic' is a human-made designation, and humans can err, be dishonest, or lack complete knowledge. There's a chance the certifier overlooked details, or the farmer didn't wait the full three years required for synthetic-pesticide-free soil.

This leads to another concern regarding organics and pesticides: Organic produce can sometimes be contaminated [source: Groth]. This is rarely due to deceit but rather the unpredictability of nature. If an organic farm is located near a conventional one, wind or rainwater runoff might carry conventional pesticides into the organic fields.

However, consumers can be reasonably confident that, at minimum, an organic apple has fewer synthetic-pesticide residues compared to a conventional one. Isn’t that worth the additional 50 cents?

The answer depends on perspective. Currently, no definitive studies prove that the pesticide residues humans consume through produce (or meat from such produce) cause harm. Conversely, there’s no guarantee that natural crop treatments are entirely safe for human consumption.

Ultimately, the best strategy is to stay informed: Wash all produce before eating, scrub tougher items, and trim fat from meat (where pesticides accumulate). If you plan to eat the peel, consider organic options, as peels retain trace pesticides. This is particularly relevant for peaches, apples, and peppers [source: DG]. For fruits like pineapple, mango, or sweet corn, where the skin isn’t consumed, conventional options are likely safe and cost-effective.