[en] This session brings together 10 posters dealing with: 1 - Optimization of Microbial DNA Extraction from Tritium-Contaminated Soils - 21467 (Logan Willis, Yong Lee, John Seaman, Robin Brigmon). 2 - Fouling Reduction During Crossflow Filtration of Tank Wastes - 21469 (Hamid Ghaffari Nazarlou, Kimberly L. Jones). 3 - A Study on Modified Biochars for the Removal of TCE and PCE - 21470 (Suraj Venkat Pochampally, Padmanabhan Krishnaswamy, Ashtin Hofert, Erica Marti, Jaeyun Moon). 4 - Comparison of Biochars Obtained from Different Feedstocks for the Adsorption of TCE and PCE in Water - 21471 (Padmanabhan Krishnaswamy, Suraj Venkat Pochampally, Jaeyun Moon, Erica Marti, Christina Obra). 5 - Detecting Mercury Ions Using Silver Nanoparticle Loaded Hydrogel Nanofiber Electrodes - 21472 (David Fox, Woo Hyoung Lee, Lei Zhai, Yuen Yee Li Sip, Stephen Sarnyai, Jaehoon Hwang). 6 - Assessing VOC Plume Attenuation Pathways for Groundwater and Hyporheic Zone Microbial Attenuation Effectiveness - 21473 (Malik Williams, John Williams). 7 - Genomic Analysis of a Uranium Resistant Burkholderia sp. Strain SRS-147 Isolated from Uraniferous Soils of the Savannah River Site, USA - 21474 (Rajesh Singh Rathore, Meenakshi Agarwal, Ashish Pathak, John Seaman, Ashvini Chauhan). 8 - Characterization and Geochemical Modeling of Manganese Oxide Amendments for Remediation of Mercury-Contaminated Sediments - 21476 (Edwin Rivas Meraz, Mark Seelos). 9 - Spectro-electrochemical Analysis of Neptunium Solutions - 21478 (Nicholas Cicchetti). 10 - Analytical Functions for the Hanford 200 West Pump-and-Treat SCADA Sensor Data - 21595 (Jonas LaPier, Chris Johnson)