The EPA has concluded a meeting, held Nov. 8-9, 2006, of the Pesticide Program Dialogue Committee (PPDC). Agenda topics included registration and reregistration/tolerance reassessment; registration review; endangered species update; Endocrine Disruptors Screening Program; update on alternative (non-animal) testing; and, interestingly, nanotechnology. Betty Shackleford, Associate Director of the Antimicrobials Division, and Jack Housenger, Associate Director of the Health Effects Division, were listed as Co-Chairs of the nanotechnology session. The PPDC meeting also included reports from the following Work Groups: Spray Drift/National Pollutant Discharge Elimination System; Performance Measures; and Worker Safety. More information is available on the Internet at www.epa.gov/pesticides/ppdc/2006/november06/nov06agenda.htm.