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Research Papers

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Scroll through the entire list or locate a team member's works: Evan Englund, Steve Gardner, Aldo Mazzella, John Nocerino, Brian Schumacher, Dale Werkema, Steve Billets, Katrina Varner and John Zimmerman


Conditional Simulation: Practical Application for Sampling Design Optimization (PDF) [12 pp, 290KB]   Evan Englund
Confidence, Cost, and Risk: Setting Performance Objectives for Environmental Decisions (PDF) [23 pp, 613KB]   Evan Englund
Evaluation and Comparison of Spatial Interpolators (PDF) [18 pp, 283KB]   Evan Englund
Evaluation and Comparison of Spatial Interpolators II (PDF) [22 pp, 902KB]   Evan Englund
Spatial Simulation: Environmental Applications (PDF) [8 pp, 265KB]   Evan Englund
Spatial Autocorrelation: Implications for Sampling and Estimation (PDF) [10 pp, 225KB]    
The Effects of Sampling Design Parameters on Block Selection (PDF) [22 pp, 244KB]   Evan Englund
Variance of Geostatisticians (PDF) [61 pp, 1.3MB]   Evan Englund
Performance of Statistical Tests for Site Versus Background Soil Comparisons When Distributional Assumptions Are Not Met (PDF) [56 pp, 1.4MB]   Evan Englund
  Evan Englund    
An Integral Equation Representation of Wide-Band Electromagnetic Scattering by Thin Sheets (PDF) [9 pp, 725KB]   Steve Gardner
Case Studies in Wellhead Protection Area Delineation and Monitoring   Steve Gardner
Monitoring Technologies for Wellhead Protection (PDF) [150 pp, 3.5MB]   Steve Gardner
       
Evaluation of geophysical methods for the detection of subsurface tetrachloroethylene in controlled spill experiments   Aldo Mazzella
A finite-difference, discrete-wavenumber method for calculating radar traces   Aldo Mazzella
Iterative use of the Bruggeman-Hanai-Sen mixing model to determine the proportions of air, water, and sand mixtures   Aldo Mazzella
Interpreting DNAPL saturations in a laboratory-scale injection using one- and two-dimensional modeling of GPR data   Aldo Mazzella
Radiation pattern of a borehole radar antenna   Aldo Mazzella
Electrical Resistivity Variations Associated with Controlled Gasoline Spills (PDF) [5pp, 185KB]   Aldo Mazzella
Numerical Study of Electromagnetic Waves Generated by a Prototype Dielectric Logging Tool (PDF) [44 pp, 939KB]   Aldo Mazzella
TDEM and NUMISPlus Soundings at the Ash Meadows National Wildlife Refuge: a Case Study (PDF) [4 pp, 84KB]   Aldo Mazzella
Monitoring of a Controlled DNAPL Spill Using a Prototype Dielectric Logging Tool (PDF) [50 pp, 4MB]   Aldo Mazzella
       
Comparison of AAS, ICP-AES, PSA, and XRF in Determining Lead and Cadmium in Soil (PDF) [29 pp, 372KB]   John Nocerino
Guidance for Obtaining Representative Laboratory Analytical Subsamples from Particulate Laboratory Samples   John Nocerino
Gy Sampling Theory in Environmental Studies 1: Assessing Soil Splitting Protocols (PDF) [26 pp, 290KB]   John Nocerino
Robust Estimation of Mean and Variance Using Environmental Data Sets with Below Detection Limit Observations (PDF) [27 pp, 1MB]   John Nocerino
     
Fluctuation of Indoor Radon and VOC Concentrations Due to Seasonal Variations (EPA-600-R-12-673) [367 pp, 12MB]   Brian Schumacher
Temporal Variation of VOCs in Soils from Groundwater to the Surface/Subslab - APM 349 (PDF) [143 pp, 8.6MB]   Brian Schumacher
Vertical distribution of VOCs in Soils from Groundwater to the Surface/Subslab (PDF) [326 pp, 18MB]   Brian Schumacher
Final Project Report for Investigation of the Influence of Temporal Variation on Active Soil Gas/Vapor Sampling (PDF) [92 pp, 3.31MB]   Brian Schumacher
Final Project Report for the Development of An Active Soil Gas Sampling Method (PDF) [178 pp, 11MB]   Brian Schumacher
A Comparison of Soil Sample Homogenization Techniques (PDF) [48 pp, 1.3MB]   Brian Schumacher
Agroecosystems 1993 Quality Assurance Project Plan (PDF) [149 pp, 2.5MB]   Brian Schumacher
Behavior and Determination of Volatile Organic Compounds in Soil: A Literature Review [118 pp, 645KB]   Brian Schumacher
Collection of Undisturbed Surface Sediments: Sampler Design and Initial Evaluation Testing (PDF) [168 pp, 12.1MB]
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  Brian Schumacher
Comparison of Soil VOCs Measured by Soil Gas, Heated Headspace, and Methanol Extraction Techniques (PDF) [17 pp, 511KB]   Brian Schumacher
Soil Sampling at Hazardous Waste Sites (PDF) [21 pp, 1.7MB]   Brian Schumacher
Extraction Methods for Recovery of Volatile Organic Compounds from Fortified Dry Soils (PDF) [7 pp, 464KB]   Brian Schumacher
Extreme Short-Range Variability in VOC-Contaminated Soils (PDF) [24 pp, 148KB]   Brian Schumacher
Feasibility Study to Evaluate a Gold External Standard for Use in XRF Screening of Lead in Paint. Phase II (PDF) [35 pp, 1.2MB]   Brian Schumacher
Integrity of VOA-Vial Seals (PDF) [42 pp, 722KB]   Brian Schumacher
Long-Term Study of Volatile Organic Compound Recovery from Ampulated, Dry Fortified Soils (PDF) [7 pp, 592KB]   Brian Schumacher
Literature Review and Report: Surface Sediment Sampling Technologies   Brian Schumacher
Methods for the Determination of Total Organic Carbon (TOC) in Soils and Sediments (PDF) [25 pp, 624KB]   Brian Schumacher
Preparation and Analysis of Dry VOC-Fortified Soils (PDF) [14 pp, 691KB]   Brian Schumacher
Preparation of Soil Sampling Protocols: Sampling Techniques and Strategies (PDF) [169 pp, 2.4MB]   Brian Schumacher
Quantitation Reference Compounds and VOC Recoveries from Soils By Purge-and-Trap GC/MS (PDF) [5 pp, 526KB]   Brian Schumacher
Sample Holding Time Reevaluation (PDF) [PDF, 329 pp., 2.1 MB]   Brian Schumacher
Soil Sampling Quality Assurance User's Guide (PDF) [267 pp, 3.7MB]   Brian Schumacher
Potential Environmental Impacts of Dust Suppressants: "Avoiding Another Times Beach"   Brian Schumacher
       
Changes in Microbial Community Structure of Petroleum Contaminated Sediments Are Reflected in Geophysical Signatures (TIP#07-134, Journal Article)   Dale Werkema
In-situ Apparent Conductivity Measurements and Microbial Population Distribution at a Hydrocarbon-Contaminated Site (PDF) [8 pp, 248KB]   Dale Werkema
Temporal and Spatial Variability of High Resolution In situ Vertical Apparent Resistivity Measurements at a LNAPL Impacted Site (PDF) [11 pp, 405KB]   Dale Werkema
The Effects of LNAPL Biodegradation Products on Electrical Conductivity Measurements (PDF) [6 pp, 418KB]   Dale Werkema
Evidence for Microbial Enhanced Electrical Conductivity in Hydrocarbon-contaminated Sediments (PDF) [4 pp, 141KB]   Dale Werkema
EPA characterization Test cell: Report on Electromagnetic Surveys in the Test Cell Area (PDF) [15 pp, 448KB]   Dale Werkema
The Relationship of Total Dissolved Solids Measurements to Bulk Electrical Conductivity in an Aquifer Contaminated with Hydrocarbon (PDF) [14 pp, 1.27MB]   Dale Werkema
Investigating the Geoelectrical Response of Hydrocarbon Contamination Undergoing Biodegradation (PDF) [4 pp, 432KB]   Dale Werkema
 
A Literature Review of Wipe Sampling Methods for Chemical Warfare Agents and Toxic Industrial Chemicals (PDF). [56 pp, 412KB]   Steve Billets
Interim Report on the Evolution and Performance of the Eichrom Technologies ProceptŪ Rapid Dioxin Assay for Soil and Sediment Samples (PDF) [45 pp, 370KB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment Innov-X XT400 Series XRF Analyzer (PDF) [208 pp, 1.4MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment Niton XLi 700 Series XRF Analyzer (PDF) [204 pp, 1.33MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment Oxford ED2000 XRF Analyzer (PDF) [199 pp, 1.33MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment  Oxford X-Met 3000TX XRF Analyzer (PDF) [222 pp, 1.5MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment Rigaku ZSX Mini ll XRF Analyzer (PDF) [199 pp, 1.33MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment  Rontec PicoTAX   XRF Analyzer (PDF) [203 pp, 1.44MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring in Soil and Sediment Xcalibur ElvaX XRF Analyzer (PDF) [195 pp, 1.3MB]   Steve Billets
Innovative Technology Verification Report XRF Technologies for Measuring Trace Elements in Soil and Sediment. Nitro XLt 700 Series XRF Analyzer (PDF) [197 pp, 1.33MB]   Steve Billets
   
Development of An Active Soil Gas Sampling Method (PDF) [178 pp, 11MB]   John Zimmerman

Characterization and Monitoring Home Page
Environmental Sciences | Research & Development
National Exposure Research Laboratory
Send questions or comments to Steve Gardner
Email: gardner.steve@epa.gov


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