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Nuclear Chemistry & Engineering

Sandra Fiskum

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

PNNL Publications







  • Peterson RA, SK Fiskum, LA Snow, MK Edwards, and RW Shimskey. 2010. "Hanford Tank Waste - What is in it? Where is it going?" In Proceedings of the 36th Annual Radioactive Waste Management Symposium (WM 2010), March 7-11, 2010, Phoenix, AZ, vol. 5, pp. 3750-3761.  Waste Management Symposia, Inc., Tucson, AZ. 



  • Fiskum SK, EC Buck, RC Daniel, KE Draper, MK Edwards, TL Hubler, LK Jagoda, ED Jenson, AE Kozelisky, GJ Lumetta, PJ MacFarlan, BK McNamara, RA Peterson, SI Sinkov, LA Snow, and RG Swoboda. 2008. Characterization and Leach Testing for REDOX Sludge and S-Saltcake Actual Waste Sample CompositesPNNL-17368, Pacific Northwest National Laboratory, Richland, WA. 
  • Fiskum SK, ST Arm, MJ Steele, and MR Thorson. 2008. "SPHERICAL RESORCINOL-FORMALDEHYDE PERFORMANCE TESTING WITH HANFORD TANK WASTE." Solvent Extraction and Ion Exchange 26(4):435-452.  doi:10.1080/07366290802182691
  • Snow LA, GJ Lumetta, SK Fiskum, and RA Peterson. 2008. "Boehmite Actual Waste Dissolutions Studies." In Separation Science and Technology: Fifteenth Symposium on Separation Science and Technology for Energy Applications, vol. 43, no. 9-10, pp. 2900-2916.  Taylor & Francis Inc., Philadelphia, PA.  doi:10.1080/01496390802152540


  • Fiskum SK, ST Arm, MK Edwards, MJ Steele, and KK Thomas. 2007. Storage and Aging Effects on Spherical Resorcinol-Formaldehyde Resin Ion Exchange PerformancePNNL-16832, Pacific Northwest National Laboratory, Richland, WA. 
  • Fryxell GE, SV Mattigod, Y Lin, H Wu, SK Fiskum, KE Parker, F Zheng, W Yantasee, TS Zemanian, RS Addleman, J Liu, J Xu, KM Kemner, S Kelly, and X Feng. 2007. "Design and Synthesis of Self-Assembled Monolayers on Mesoporous Supports (SAMMS): The Importance of Ligand Posture in Functional Nanomaterials." Journal of Materials Chemistry 17:2863-2874.  doi:10.1039/b702422c


  • Peterson RA, SK Fiskum, ST Arm, and DL Blanchard, Jr. 2006. "Cesium Removal Demonstration Using Selected Actual Waste Samples from the Hanford Reservation Tank Farm." Separation Science and Technology 41(11):2361-2371. 
  • Brooks KP, BS Augspurger, DL Blanchard, Jr, JM Cuta, SK Fiskum, and MR Thorson. 2006. "Hydraulic Testing of Ion Exchange Resins for Cesium Removal from Hanford Tank Waste ." Separation Science and Technology 41(11):2391-2408. 
  • Fiskum SK, DL Blanchard, Jr, MJ Steele, KK Thomas, TLT Trang-Le, and MR Thorson. 2006. "Spherical Resorcinol-Formaldehyde Resin Testing for Cesium Removal from Hanford Tank Waste Simulant." Separation Science and Technology 41(11):2461-2474. 


  • Fiskum SK, DL Blanchard, Jr, ST Arm, and RA Peterson. 2005. "CESIUM REMOVAL FROM SIMULATED AND ACTUAL HANFORD TANK WASTE USING ION EXCHANGE." Separation Science and Technology 40(1-3):51-67.  doi:10.1081/SS-200041760
  • Arm ST, DL Blanchard, Jr, and SK Fiskum. 2005. "Chemical Degradation of an Ion Exchange Resin Processing Salt Solutions." Separation and Purification Technology 43(1):59-69.  doi:10.1016/j.seppur.2004.10.001
  • Fiskum SK, DL Blanchard, Jr, MJ Steele, and JJ Wagner. 2005. "Analysis of Spent SuperLigŪ 644 Resin Used for Cesium Removal from Hanford Tank Wastes." Solvent Extraction and Ion Exchange 24(1):65-79.  doi:10.1080/07366290500388426
  • Fryxell GE, Y Lin, SK Fiskum, JC Birnbaum, H Wu, KM Kemner, and S Kelly. 2005. "Actinide Sequestration Using Self-Assembled Monolayers on Mesoporous Supports." Environmental Science and Technology 39(5):1324-1331. 
  • Lin Y, SK Fiskum, W Yantasee, H Wu, SV Mattigod, ER Vorpagel, GE Fryxell, KN Raymond, and J Xu. 2005. "Incorporation of Hydroxypyridinone (HOPO) Ligands into Self-Assembled Monolayers on Mesoporous Supports for Selective Actinide Sequestration." Environmental Science and Technology 39(5):1332-1337.  doi:10.1021/es049169t


  • Fiskum SK, BM Rapko, and GJ Lumetta. 2001. "Partitioning of Mercury from Actinides in the TRUEX Process." Solvent Extraction and Ion Exchange 19(4):643-657. 


  • Fiskum SK, RG Riley, and CJ Thompson. 2000. "Preconcentration and Analysis of Strontium-90 and Technetium-99 from Hanford Groundwater Using Solid Phase Extraction." Journal of Radioanalytical and Nuclear Chemistry 245(2):261-272. 
  • Fiskum SK, PR Bredt, JA Campbell, OT Farmer, III, LR Greenwood, EW Hoppe, FV Hoopes, GJ Lumetta, GM Mong, RT Ratner, CZ Soderquist, MJ Steele, RG Swoboda, MW Urie, and JJ Wagner. 2000. Inorganic, Radioisotopic, and Organic Analysis of 241-AP-101 Tank WastePNNL-13354, Pacific Northwest National Laboratory, Richland, WA. 
  • Rapko BM, SK Fiskum, and GJ Lumetta. 2000. Alternative TRUEX-Based Pretreatment Processing of INEEL Sodium Bearing WastePNNL-13335, Pacific Northwest National Laboratory, Richland, WA. 


  • Egorov OB, SK Fiskum, MJ O'Hara, and JW Grate. 1999. "Radionuclide Sensors based on Chemically Selective Scintillating Microspheres: Renewable Column Sensor for Analysis of 99Tc in Water ." Analytical Chemistry 71(23):5420-5429. 
  • Grate JW, SK Fiskum, and OB Egorov. 1999. "Separation-Optimized Sequential Injection Method for Rapid Automated Analytical Separation of Sr-90 in Nuclear Waste." Analyst 124(2):203-210. 
  • Grate JW, OB Egorov, and SK Fiskum. 1999. "Automated Extraction Chromatographic Separations of Actinides using Separation-Optimized Sequential Injection Techniques ." Analyst 124(8):1143-1150. 

Nuclear Chemistry & Engineering

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Karl Pool
Analytical Support Operations Lead

Don Bachand
RPL R&D Operations Manager