PPIS The following queries were developed using U.S.EPA/OPP's PPIS databases: OPP's registered and cancelled pesticide product database (product name search) OPP's chemical ingredients database (chemical nomenclature, current products and registrants) OPP's company information database If you know the EPA registration number, you may view the OPPs product labels at the Pesticide Product Label System (PPLS). A company must have at least ONE federally active product to be included in the NPIRS Public/PPIS website. Companies whose products have all been federally cancelled, do not appear here. You may, however, obtain product information for these companies by requesting an NPIRS custom search at http://ppis.ceris.purdue.edu/htm/customsrch.htm About NPIRS' USEPA/OPP Database Queries About NPIRS' Databases For content questions contact: NPIRS User Services Phone: (765) 494-6561 1435 Win Hentschel Blvd, Suite 207 West Lafayette, IN 47906-4154 E-mail: npirs@ceris.purdue.edu For centuries, beekeeping has been a traditional part of Mexican agriculture and a reliable source of income in rural areas. Scientists in the United States have closely followed the arrival of Africanized honey bees and two species of parasitic mites that have created hive management problems and reduced honey production.