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Certified Onions Inc

COI provides pathogen, pesticide residue testing

August 6, 2020

Featured image: Kay Riley, one of the founders of Certified Onion Inc. and GM…

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Certified Onions Inc. provides residue and pathogen testing

August 11, 2016

While it is based in the Treasure Valley of Idaho-Eastern Oregon, Certified Onions Inc.…

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COI provides pesticide and microbe testing by two entities

September 3, 2015

As its membership expands within in the onion industry, Certified Onions Inc., based in…

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