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This profile was last updated on 3/20/06  and contains information from public web pages.

Dr. Bruce D. Riggle

Wrong Dr. Bruce D. Riggle?

Employment History


  • Ph.D.
  • doctorate
    Michigan State University
Web References
ChemReg International -- Home Page, 20 Mar 2006 [cached]
Bruce D. Riggle, Ph.D.Phone: 970-392-1445Email:
Dr. Bruce D. Riggle heads ChemReg's office in Greeley, Colorado.He is a plant and soil scientist with responsibilities for managing regulatory and scientific projects for clients.He has over twenty-five years of pesticide related experience and is the inventor for three pesticide use patents.
Dr. Riggle earned his doctorate at Michigan State University in crop and soil sciences.He did post-doctoral work in the USDA-ARS and was involved in pioneer work in developing some of the first immunoassay methods for detecting pesticide residues.Early in his career he worked in ICI Americas, where his responsibilities included groundwater, soil dissipation and crop residue studies.He then worked for four years as a consultant to EPA's Health Effects Division in the Office of Pesticide Programs, where he generated draft data evaluation reports (DERs) for residue, nature of the residue and product chemistry studies.
For ten years, Dr. Riggle worked as a registration and product development manager for Platte Chemical Co., the registrant of United Agri Products (UAP).He was a senior technical lead in the registration department and was responsible for numerous studies, including magnitude of the residue, processing, nature of the residue, dairy cattle feeding, aquatic, avian, and mammalian (sub chronic and chronic) toxicity, genotoxicity, and product chemistry (Series 61, 62 & 63) studies.His responsibilities also included Task Force support and joint company registration efforts with both Dow AgroSciences and Bayer.He was part of a team that successfully registered Starane (fluroxypyr) in the U.S. and had a key role in obtaining a reduced risk classification for fluroxypyr.
Dr. Riggle has been responsible for developing and successfully registered four new biopesticide active ingredients.He also developed and helped successfully introduce two new products into the U.S. agrochemical market: an onion white rot fungicide (Alli-Up) and a potato sprout inhibitor (Amplify).He handled both technical and registration responsibilities for UAP's genetically modified organisms (GMOs) (soybean and cotton) program.At UAP, he interacted with and provided necessary information to various regulatory agencies on GMO products.To stay current with this new and important technology, Dr. Riggle took intensive post-doctoral training in recombinant DNA technology at Indiana University.
Dr. Riggle has authored and/or co-authored over thirty articles in scientific abstract listings, journals, and books on the subjects of pesticides, plant growth regulators, crop and soil science, controlled-release technology, ecotoxicity and chemistry.While in UAP, he did considerable work in introducing proprietary generic products to the market, including synergy and use patents, chiral molecules and new proprietary formulations.
PESTICIDE.NET Insider eJournal - Back Issues, 21 Aug 2003 [cached]
Learn more about this edition's newsmakers: Joe Conlon, technical advisor to the American Mosquito Control Association; Bruce Riggle, a regulatory and agrochemical consultant with ChemReg International; and Robin Spitko, a New England advisor with the National Alliance of Independent Crop Consultants
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