2019 Short-term Monitoring Field Summary Memo — Area of Concern 4, Former DuPont Waynesboro Site

Memo summarizes Spring and Fall 2019 short-term monitoring (STM) for Area of Concern 4 (Relative River Mile 0–2) of the former DuPont Waynesboro site. Activities: sediment and pore water mercury (THg, MeHg) sampling, periphyton, transplanted Corbicula, riparian vegetation and habitat assessments. Presents data tables, maps, grain-size distribution, and notes next steps for the 2019 annual STM report.