Abstract: Reports of special projects by the Bureau of Agrichemical Management staff under authority found in 93.06(1)(f), 93.07(9), and 94.69(10), Wis. Stats., on pesticides in groundwater or on pesticide use issues. Included are results, correspondence, and sometimes site inspection information, narratives, photos, statistical analyses, records of pesticide use, and registration information for the pesticide products being studied.