Frequent Questions

What is "custom blender"?

A "custom blender" is defined as any establishment that provides the service of mixing registered pesticides to a customer’s specifications, specifically:

 - a pesticide-pesticide blend
 - a pesticide-fertilizer blend
 - a pesticide-animal feed mixture


 - the blend is not held in inventory
 - the pesticide used in producing the blend bears labeling that does not prohibit the use of the pesticide in the blend
 - the blend is delivered to the end-user with a copy of the labeling of the pesticide used in producing the blend and a statement specifying the composition of the mixture

If these conditions are not met, the establishment does not meet the definition of "custom blender" and must comply with FIFRA Section 7 and 40 CFR Part 167 requirements.
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