4.0 Topic #2: Ingestion Rates for Soil-Pica

This section summarizes the panelists' responses to the three charge questions pertaining to ingestion rates for soil-pica. The panelists' comments are organized into three subject areas: ingestion rates for an incident of soil-pica (Section 4.1), applying ingestion rates to acute, intermediate, and chronic exposure durations (Section 4.2), and ingestion rates for adults who exhibit soil-pica behavior (Section 4.3). The Executive Summary presents the panelists' key findings on these subjects, and a record of the discussion that led to these findings follows. Observers offered no comments during this discussion.