Document 15y9X6OjGvoL1Q2n5LddX5gDZ

AR226-2247 From: To: cc: Subject: Bernard J Reilly on 01/15/2002 04:37 PM ' David M Rural</AE/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPont, Paul J Bossert/AE/DuPont@DuPont. Martha L Rees/AE/DuPont@DuPont@DuPont, Isidoros J Zahikos/AE/DuPont@DuPont, Robert W Rickard/AE/DuPont@DuPont, Janet H Waters/CUDuPont@DuPont, R Clifton Webb/AE/DuPont@DuPont Gerald L Kennedy/AE/DuPont@DuPont, John R Bowtnan/AE/DuPont@DuPont, M. Ann Bradley/STB/DUP@DUP, Paula L Durst/STB/DUP@DUP, Heather H. Jones/STB/DUPQDUP, Andrea V Malinowski/AE/DuPont@DuPont, Andrew S Hartten/AE/DuPont@DuPont Air Model Concentrations at Cistern Locations - Privileged Communication Leadership Team: The attached note from Rob Pinchot shows the estimated average annual vapor concentrations in the ambient air at the 4 cistern locations. -Bemie ------------------ Forwarded by Bernard J Reilly/AE/DuPont on 01/15/2002 04:31 PM ------------------------ Robert F Pinchot 01/15/2002 03:27 PM To: cc: Subject: Bernard J Reilly/AE/DuPont@DuPont Model Results- Privileged Communication See attached for the modeling results for the cistern locations. Rob ---------------------- Forwarded by Robert F Pinchot/DEV/AE/DuPont on 01/15/2002 03:26 PM ---------------------------- ,y Debbie J Mulrooney 01/15/2002 03:21 PM To: cc: Subject; Robert F Pinchot/DEV/AE/DuPont@DuPont Model Results Rob, The attached spreadsheet shows the vapor concentrations at the four specific receptor locations. These concentrations include the reduction of mass due to deposition (what the model calls depletion). C8 Specific Receptors.xis The average deposition rate across the entire area is: particulate - 0.00537 g/m2/yr vapor - 0.000479 g/m2/yr This is over a 5000m x 3000m receptor grid area. Debbie EDD0017648 EDD0017649