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Written by Chris Molnar
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Look at the label of any modern commercial pesticide or herbicide, and you'll see an ingredient list of active and inactive (also known as "inert" or simply "other") ingredients.
For the purposes of pesticide labeling, "active" ingredients are those chemicals that directly attack the target pest, while inert ingredients are added to help improve the formulation in effectiveness, storage, and lifespan. For most pesticides, the inert ingredients can compose over 90% of the total volume or weight of the pesticide. It does not, however, mean they are completely safe and non-toxic to the environment.
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Read more... [The "Other" Ingredients in Pesticide Formulations]
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