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Ray Clayton

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
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Research Interests

• Vadose Zone Characterization Project
• SX Tank Farm Borehole Decommission and SX Tank Farm Borehole Extension
• Prototype Surface Barrier (PSB)
• Hanford Groundwater Project
• Yakima Training Center Road Analysis
• Calibration Chamber
• Training

Education and Credentials

• B. S., Environmental Science, Heritage College, 1994
• A.S., Electrical Technology, DeVry Institute of Technology, 1973

Selected Publications

2009

• Um W, RJ Serne, GV Last, RE Clayton, and ET Glossbrenner. 2009. "The effect of gravel size fraction on the distribution coefficients of selected radionuclides." Journal of Contaminant Hydrology 107(1-2):82-90.  doi:10.1016/j.jconhyd.2009.04.003
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2009. First Quarter Hanford Seismic Report for Fiscal Year 2009. PNNL-18293, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2009. Third Quarter Hanford Seismic Report for Fiscal Year 2009. PNNL-18818, Pacific Northwest National Laboratory, Richland, WA. 

2008

• Brown CF, RJ Serne, BN Bjornstad, DG Horton, DC Lanigan, RE Clayton, MM Valenta, TS Vickerman, IV Kutnyakov, KN Geiszler, SR Baum, KE Parker, and MJ Lindberg. 2008. Characterization of Vadose Zone Sediments Below the C Tank Farm: Borehole C4297 and RCRA Borehole 299-E27-22. PNNL-15503 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Brown CF, RJ Serne, HT Schaef, BA Williams, MM Valenta, VL Legore, MJ Lindberg, KN Geiszler, SR Baum, IV Kutnyakov, TS Vickerman, and RE Clayton. 2008. Investigation of Accelerated Casing Corrosion in Two Wells at Waste Management Area A-AX. PNNL-15141 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Brown CF, RJ Serne, BN Bjornstad, MM Valenta, DC Lanigan, TS Vickerman, RE Clayton, KN Geiszler, C Iovin, ET Clayton, IV Kutnyakov, SR Baum, MJ Lindberg, and RD Orr. 2008. Characterization of Vadose Zone Sediments from C Waste Management Area: Investigation of the C-152 Transfer Line Leak. PNNL-15617 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Lindenmeier CW, RJ Serne, BN Bjornstad, GW Gee, HT Schaef, DC Lanigan, MJ Lindberg, RE Clayton, VL Legore, IV Kutnyakov, SR Baum, KN Geiszler, CF Brown, MM Valenta, TS Vickerman, and LJ Royack. 2008. Characterization of Vadose Zone Sediment: RCRA Borehole 299-E33-338 Located Near the B-BX-BY Waste Management Area. PNNL-14121 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2008. First Quarter Hanford Seismic Report for Fiscal Year 2008. PNNL-17412, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2008. Second Quarter Hanford Seismic Report for Fiscal Year 2008. PNNL-17654, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2008. Third Quarter Hanford Seismic Report for Fiscal Year 2008. PNNL-17830, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2008. Annual Hanford Seismic Report for Fiscal Year 2008 . PNNL-18134, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, DC Lanigan, GW Gee, CW Lindenmeier, RE Clayton, VL Legore, MJ O'Hara, CF Brown, GV Last, IV Kutnyakov, DS Burke, TC Wilson, and BA Williams. 2008. Characterization of Vadose Zone Sediment: Borehole 299-W23-19 [SX-115] in the S-SX Waste Management Area. PNNL-13757-2 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, DG Horton, DC Lanigan, CW Lindenmeier, MJ Lindberg, RE Clayton, VL Legore, RD Orr, IV Kutnyakov, SR Baum, KN Geiszler, MM Valenta, and TS Vickerman. 2008. Characterization of Vadose Zone Sediments Below the TX Tank Farm: Boreholes C3830, C3831, C3832 and RCRA Borehole 299-W10-27. PNNL-14594 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, DG Horton, DC Lanigan, HT Schaef, CW Lindenmeier, MJ Lindberg, RE Clayton, VL Legore, KN Geiszler, SR Baum, MM Valenta, IV Kutnyakov, TS Vickerman, RD Orr, and CF Brown. 2008. Characterization of Vadose Zone Sediments Below the T Tank Farm: Boreholes C4104, C4105, 299-W10-196, and RCRA Borehole 299-W11-39. PNNL-14849 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, GW Gee, HT Schaef, DC Lanigan, G mccain, CW Lindenmeier, RD Orr, VL Legore, RE Clayton, MJ Lindberg, IV Kutynakov, SR Baum, KN Geiszler, MM Valenta, TS Vickerman, and LJ Royack. 2008. Characterization of Vadose Zone Sediment: Borehole 299-E33-46 Near B 110 in the B BX-BY Waste Management Area. PNNL-14119 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, HT Schaef, BA Williams, DC Lanigan, DG Horton, RE Clayton, AV Mitroshkov, VL Legore, MJ O'Hara, CF Brown, KE Parker, IV Kutnyakov, JN Serne, GV Last, SC Smith, CW Lindenmeier, JM Zachara, and DS Burke. 2008. Characterization of Vadose Zone Sediment: Uncontaminated RCRA Borehole Core Samples and Composite Samples. PNNL-13757-1 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, GV Last, GW Gee, HT Schaef, DC Lanigan, CW Lindenmeier, MJ Lindberg, RE Clayton, VL Legore, RD Orr, IV Kutnyakov, SR Baum, KN Geiszler, CF Brown, MM Valenta, and TS Vickerman. 2008. Characterization of Vadose Zone Sediment: Borehole 299-E33-45 Near BX-102 in the B-BX-BY Waste Management Area. PNNL-14083 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, GV Last, HT Schaef, DC Lanigan, CW Lindenmeier, CC Ainsworth, RE Clayton, VL Legore, MJ O'Hara, CF Brown, RD Orr, IV Kutnyakov, TC Wilson, KB Wagnon, BA Williams, and DS Burke. 2008. Characterization of Vadose Zone Sediment: Borehole 41-09-39 in the S-SX Waste Management Area . PNNL-13757-3 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, GV Last, HT Schaef, DC Lanigan, CW Lindenmeier, CC Ainsworth, RE Clayton, VL Legore, MJ O'Hara, CF Brown, RD Orr, IV Kutnyakov, TC Wilson, KB Wagnon, BA Williams, and DS Burke. 2008. Characterization of Vadose Zone Sediment: Slant Borehole SX-108 in the S-SX Waste Management Area . PNNL 13757-4 Rev. 1, Pacific Northwest National Laboratory, Richland, WA. 
• Ward AL, SO Link, CE Strickland, KE Draper, and RE Clayton. 2008. 200-BP-1 Prototype Hanford Barrier Annual Monitoring Report for Fiscal Years 2005 Through 2007 . PNNL-17176, Pacific Northwest National Laboratory, Richland, WA. 

2007

• Brown CF, JP Icenhower, W Um, BN Bjornstad, MM Valenta, C Iovin, DC Lanigan, RE Clayton, KN Geiszler, ET Clayton, IV Kutnyakov, SR Baum, MJ Lindberg, and RD Orr. 2007. Characterization of Direct-Push Vadose Zone Sediments from the 241-B and 241-BX Tank Farms . PNNL-17162, Pacific Northwest National Laboratory, Richland, WA. 
• Brown CF, MM Valenta, RJ Serne, BN Bjornstad, DC Lanigan, C Iovin, RE Clayton, KN Geiszler, ET Clayton, IV Kutnyakov, SR Baum, MJ Lindberg, and RD Orr. 2007. Characterization of Direct Push Vadose Zone Sediments from the T and TY Waste Management Areas. PNNL-16649, Pacific Northwest National Laboratory, Richland, WA. 
• Brown CF, MM Valenta, RJ Serne, BN Bjornstad, DC Lanigan, C Iovin, RE Clayton, KN Geiszler, ET Clayton, IV Kutnyakov, SR Baum, MJ Lindberg, and RD Orr. 2007. Characterization of Direct Push Vadose Zone Sediments from the 241-U Single-Shell Tank Farm . PNNL-17163, Pacific Northwest National Laboratory, Richland, WA. 
• Brown CF, RJ Serne, BN Bjornstad, MM Valenta, DC Lanigan, TS Vickerman, RE Clayton, KN Geiszler, C Iovin, ET Clayton, IV Kutynakov, SR Baum, MJ Lindberg, and RD Orr. 2007. Characterization of Vadose Zone Sediments from C Waste Management Area: Investigation of the C-152 Transfer Line Leak. PNNL-15617, Pacific Northwest National Laboratory, Richland, WA. 
• Mendoza DP, GW Patton, MJ Hartman, FA Spane, MD Sweeney, BG Fritz, TJ Gilmore, RD Mackley, BN Bjornstad, and RE Clayton. 2007. Investigation of the Strontium-90 Contaminant Plume along the Shoreline of the Columbia River at the 100-N Area of the Hanford Site. PNNL-16894, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2007. Third Quater Seismic Report for Fiscal Year 2007. PNNL-16872, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, RE Clayton, and JL Devary. 2007. Annual Hanford Seismic Report for Fiscal Year 2007. PNNL-17183, Pacific Northwest National Laboratory, Richland, WA. 

2006

• Brown CF, RJ Serne, BN Bjornstad, DG Horton, DC Lanigan, RE Clayton, MM Valenta, TS Vickerman, IV Kutnyakov, KN Geiszler, SR Baum, KE Parker, and MJ Lindberg. 2006. Characterization of Vadose Zone Sediments Below the C Tank Farm: Borehole C4297 and RCRA Borehole 299-E27-22. PNNL-15503, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, MD Sweeney, DC Hartshorn, SP Reidel, and RE Clayton. 2006. Annual Hanford Seismic Report for Fiscal Year 2006 . PNNL-14953-6, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, SP Reidel, DC Hartshorn, MD Sweeney, and RE Clayton. 2006. First Quarter Seismic Report for Fiscal Year 2006 . PNNL-14953-5, Pacific Northwest National Laboratory, Richland, WA. 

2005

• Brown CF, RJ Serne, HT Schaef, BA Williams, MM Valenta, VL LeGore, MJ Lindberg, KN Geiszler, SR Baum, IV Kutnyakov, TS Vickerman, and RE Clayton. 2005. Investigation of Accelerated Casing Corrosion in Two Wells at Waste Management Area A-AX. PNNL-15141, Pacific Northwest National Laboratory, Richland, WA. 
• Reidel SP, AC Rohay, DC Hartshorn, RE Clayton, and MD Sweeney. 2005. Third Quarter Hanford Seismic Report for Fiscal Year 2005. PNNL-14953-3, Pacific Northwest National Laboratory, Richland, WA. 
• Rohay AC, SP Reidel, DC Hartshorn, MD Sweeney, and RE Clayton. 2005. Annual Hanford Seismic Report for fiscal year 2005. PNNL-14953-4, Pacific Northwest National Laboratory, Richland, WA. 

2004

• Hartshorn DC, SP Reidel, AC Rohay, MD Sweeney, and RE Clayton. 2004. First and Second Quarters Hanford Seismic Report for Fiscal Year 2005. PNNL-14953-2, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, DG Horton, DC Lanigan, CW Lindenmeier, MJ Lindberg, RE Clayton, VL LeGore, KN Geiszler, SR Baum, MM Valenta, IV Kutnyakov, TS Vickerman, RD Orr, and CF Brown. 2004. Characterization of Vadose Zone Sediments Below the T Tank Farm: Boreholes C4104, C4105, 299-W10-196 and RCRA Borehole 299-W11-39. PNNL-14849, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, DG Horton, DC Lanigan, CW Lindenmeier, MJ Lindberg, RE Clayton, VL LeGore, RD Orr, IV Kutnyakov, SR Baum, KN Geiszler, MM Valenta, and TS Vickerman. 2004. Characterization of Vadose Zone Sediments Below the TX Tank Farm: Probe Holes C3830, C3831, C3832 and 299-W10-27. PNNL-14594, Pacific Northwest National Laboratory, Richland, WA. 

2003

• Lindenmeier CW, RJ Serne, BN Bjornstad, GW Gee, HT Schaef, DC Lanigan, MJ Lindberg, RE Clayton, VL Legore, IV Kutnyakov, SR Baum, KN Geiszler, CF Brown, MM Valenta, TS Vickerman, and LJ Royack. 2003. Characterization of Vadose Zone Sediment: RCRA Borehole 299-E33-338 Located Near the B-BX-BY Waste Management Area. PNNL-14121, Pacific Northwest National Laboratory, Richland, WA. 

2002

• Lindenmeier CW, RJ Serne, BN Bjornstad, GV Last, DC Lanigan, MJ Lindberg, RE Clayton, VL Legore, IV Kutnyakov, SR Baum, KN Geiszler, MM Valenta, and TS Vickerman. 2002. Characterization of Vadose Zone Sediment: Borehole C3103 Located in the 216-B-7A Crib Near the B Tank Farm. PNNL-14128, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, GW Gee, HT Schaef, DC Lanigan, RG Mccain, CW Lindenmeier, RD Orr, VL Legore, RE Clayton, MJ Lindberg, IV Kutnyakov, SR Baum, KN Geiszler, MM Valenta, TS Vickerman, and LJ Royack. 2002. Characterization of Vadose Zone Sediment: Borehole 299-E33-46 Near Tank B-110 in the B-BX-BY Waste Management Area. . PNNL-14119, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, BN Bjornstad, HT Schaef, BA Williams, DC Lanigan, DG Horton, RE Clayton, AV Mitroshkov, VL Legore, MJ O'Hara, CF Brown, KE Parker, IV Kutnyakov, JN Serne, GV Last, SC Smith, CW Lindenmeier, JM Zachara, and DS Burke. 2002. Characterization of Vadose Zone Sediment: Uncontaminated RCRA Borehole Core Samples and Composite Samples. PNNL-13757-1, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, GV Last, GW Gee, HT Schaef, DC Lanigan, CW Lindenmeier, MJ Lindberg, RE Clayton, VL Legore, RD Orr, IV Kutnyakov, SR Baum, KN Geiszler, CF Brown, MM Valenta, and TS Vickerman. 2002. Characterization of Vadose Zone Sediment: Borehole 299-E33-45 Near BX-102 in the B-BX-BY Waste Management Area. PNNL-14083, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, GV Last, HT Schaef, DC Lanigan, CW Lindenmeier, CC Ainsworth, RE Clayton, VL Legore, MJ O'Hara, CF Brown, RD Orr, IV Kutnyakov, TC Wilson, KB Wagnon, BA Williams, and DS Burke. 2002. Characterization of Vadose Zone Sediment: Borehole 41-09-39 in the S-SX Waste Management Area. PNNL-13757-3, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, GV Last, HT Schaef, DC Lanigan, CW Lindenmeier, CC Ainsworth, RE Clayton, VL Legore, MJ O'Hara, CF Brown, RD Orr, IV Kutnyakov, TC Wilson, KB Wagnon, BA Williams, and DS Burke. 2002. Characterization of Vadose Zone Sediment: Slant Borehole SX-108 in the S-SX Waste Management Area. PNNL-13757-4, Pacific Northwest National Laboratory, Richland, WA. 
• Serne RJ, HT Schaef, BN Bjornstad, DC Lanigan, GW Gee, CW Lindenmeier, RE Clayton, VL Legore, RD Orr, MJ O'Hara, CF Brown, GV Last, IV Kutnyakov, DS Burke, TC Wilson, and BA Williams. 2002. Characterization of Vadose Zone Sediment: Borehole 299-W23-19 [SX -115] in the S-SX Waste Management Area. . PNNL-13757-2, Pacific Northwest National Laboratory, Richland, WA. 

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