2024 Preliminary Technical Program

The theme of the 2024 conference will be "Reliable Data for Sound Decision Making". It will feature over 140 presentations and posters organized into technical sessions from August 5-9, 2024.


Keynote Speaker


The 2024 Charlie Carter Award


Air Monitoring, Methods, and Technology
Session Chair(s): Jason Herrington (Restek), Jason Hoisington (Restek), and Hannah Calder (Markes)

  9:00Assessing Diurnal and Spatial Variations of PM2.5 in Urban Environments: A Case Study with Low-Cost Sensors in an Environmental Justice Community
Inkyu Han, Temple University College of Public Health
  9:30Automated Monitoring of Organic Ozone Depleting Substances and Greenhouse Gases.
Ericka Hachmeister, Markes International, Inc
  10:30Field and Mobile Measurements of Air Toxics Using Thermal Desorption, Broadband Cavity Ring-Down Spectroscopy
Aurelie Marcotte, Entanglement Technologies, Inc.
  11:00Making “Sentient” Air Monitors: Automating QA/QC on Open Path Fence Line Monitoring Systems
Jonathan Flint, Argos Scientific, Inc.
  11:30Mobile VOC Monitoring on Vehicle and Aircraft Platforms
Maya Abou-Ghanem, TOFWERK

Ensuring Reliable Data
Session Chair(s): Jerry Parr (The NELAC Institute) and Kyle Power (TriHydro)

  9:00Good Practices When Handling Fish Tissue to Avoid Data Reliability Issues: Results from Sample Wrapping and Holding Time Studies
Harry McCarty, General Dynamics Information Technology
  9:30Towards Routine Non-Targeted Analysis – Metrics of Data Quality and Acceptance
David Schiessel, Babcock Laboratories, Inc.
  10:30Improving the Reliability of Laboratory Testing
Paul Junio, The NELAC Institute
  11:00Changes to V1M5: The New TNI Microbiology Standard
Cody Danielson, Oklahoma DEQ
  11:30Improving the Reliability of Field Operations
Katie Strothman, Sanders Laboratories

TNI: Assessment Forum
Session Moderator: Judy Morgan, Pace Analytical Services

- Beyond the Checklists

TNI: Proficiency Testing Program Executive Committee
Session Chair(s): Susan Jackson, South Carolina DHEC

The purpose of the Proficiency Testing (PT) Program Executive Committee is to establish and maintain a national PT program to support a national environmental accreditation program.

Analyzing Microplastics in the Environment
Session Chair(s): Tarun Anumol (Agilent) and Shelly M. Walther (Los Angeles County Sanitation Districts)

  1:00A Comprehensive Approach for Successful Microplastics Analysis
William Lipps, Shimadzu Scientific Instruments
  1:30Developments in QCL-Based Spectroscopy for Rapid Identification of Microplastics
Louis Tisinger, Agilent Technologies
  2:00PY-GCMS Analysis of Microplastics Using Nitrogen as an Alternative GCMS Carrier Gas
Ruth Marfil-Vega, Shimadzu Scientific Instruments
  2:30Challenges and Opportunities to Forensic Approaches in Microplastics
Kelsey Rousteau, NewFields
  3:30High Molecular Weight Polycyclic Aromatic Hydrocarbons (PAHs) in Microplastic Samples Collected Following the Sinking of the Container Ship X-Press Pearl
Douglas Stevens, Waters Corporation
  4:00Determination of Micro Plastics in the Environment Using Total Flow Nebulization and Triple Quadrupole ICP-MS
Craig Jones, Agilent Technologies, Inc.
  4:30Optimizing Membrane Filter Selection for Analytical Methods Used to Characterize Microplastics in the Environment
Lindsay Lozeau, MilliporeSigma

Automation & Innovation for Sample Preparation
Session Chair(s): Zoe Grosser (retired) and Polly Newbold (ddms)

  1:00Sample Preparation, Why do I Care?
Polly Newbold, ddms, Inc
  1:30Inline Filtration and Treatment for Ion Chromatographic (IC) Methods
Kyle Nash, Orange County Water District
  2:00Advancements in EPH Fractionation: Overcoming Challenges and Enhancing Efficiency
Christopher Mitchell, Biotage
  2:30The Automated Extraction of 40 PFAS Compounds from Tissue Samples
Alicia Stell, CEM Corporation
  3:30Fully Automated Determination of PFAS in Liquid and Solid Matrices Via Online SPE Coupled to LC-MS/MS: Application to EPA Method 1633 Compound List
Lilit Ispiryan, Trajan Scientific and Medical
  4:00Analysis of Semi Volatiles Method by GC/MS/MS with Liquid-liquid Extractions Using ePrep Full Automation for EPA 3511
Alexis Willey, Agilent Technologies
  4:30Semi-Automated Solid Phase Extraction and Analysis of Wastewater with EPA Method 625
Tom Hall, Fluid Management Systems

Per- and Polyfluoroalkyl Substances (PFAS) in the Environment
Session Chair(s): Mike Chang (Restek Corp) and Jonathan Thorn (Eurofins-Lancaster Laboratories Environmental)

  1:00PFAS in Wild Fish Tissue: Development of a Simple and Robust Extraction Procedure Using Pass-Through Matrix Removal
Matthew Giardina, Agilent Technologies
  1:30An Assessment of Per- and Polyfluoroalkyl Substances (PFAS) in Great Lakes Fish
John Healey, U.S. Environmental Protection Agency
  2:00PFAS is Everywhere and Now We Have a Validated Multi-matrix Method 1633 to Find It
Adrian Hanley, USEPA OST
  2:30Validation of Analysis of Per- and Polyfluoroalkyl Substances in Wastewater Samples Using EPA Method 1633 with Semi-Automated Solid Phase Extraction
Tom Hall, Fluid Management Systems
  3:30EPA 1633 - What Happens When Automated Solvent Extraction and Robust LC-MS/MS are Coupled for Soil Analysis
Ruth Marfil-Vega, Shimadzu Scientific Instruments
  4:00Automated Workflow for High-throughput PFAS Sample Preparation for Solid Matrices Following EPA Method 1633.
Evan Walters, Biotage
  4:30Harnessing the Power of Mass Spectrometry and Automation to Reduce Sample Size, Sample Preparation Time and Increase Laboratory Efficiency
Kari Organtini, Waters Corporation

TNI: Chemistry Expert Committee
Session Chair(s): Michelle Wade, Pace Analytical Services

The Chemistry Expert Committee is responsible for Module 4 of the TNI laboratory accreditation standard. This includes requirements for the calculation of limits of detection (LOD), limits of quantitation (LOQ), calibration curves, and other related values.

Keynote Speaker

  8:15The Role of Artificial Intelligence in Environmental Testing
Agustin Pierri, Weck Laboratories, Inc.

Emerging Environmental Applications for High Resolution Mass Spectrometry
Session Chair(s): Paul Winkler (retired)

  9:00Overcoming Simple and Complex Matrix Interferences in Environmental Samples by QQQ-ICP-MS
Craig Jones, Agilent Technologies, Inc.
  9:30Breaking Barriers that Limit Non-Targeted Analysis Through Stakeholder Engagement and Outreach
Ruth Marfil-Vega, Shimadzu Scientific Instruments
  10:30Using High-Res MS to Explore the Chemical Space of PFAS Captured by Solid-Phase Extraction
David Schiessel, Babcock Laboratories, Inc.
  11:00Automated Targeted and Non-targeted LC-Orbitrap MS Workflow for Analysis of More Than 40,000 PFAS Compounds in Environmental Samples
Cynthia Grim, Thermo Fisher Scientific
  11:30From Trend to Discovery: Temporal Analysis of Contaminants in Watersheds Using High Resolution Mass Spectrometry
Kendra Adams, SCIEX

Laboratory Informatics
Session Chair(s): Robert Benz (Clinisys)

  9:00Strategic Insights Using Cloud LIMS
Bill Pingpank, Ethosoft, Inc.
  9:30ALPACA SDMS and Micro ELN©, An Automated Data Management System for Environmental Analysis
Devon Morgan, Clark County Water Reclamation District
  10:30Assessing Your Needs and Justifying a LIMS
Richard Danielson, Confience
  11:00Leveraging Technology to Improve Laboratory Quality
Matthew Sica, Perry Johnson Laboratory Accreditation
  11:30LIMS Challenges for a Multi-Site Organization
Kevin Carter, Clinisys

TNI: Laboratory Accreditation Body Committee
Session Chair(s): Aaren Alger, Alger Consulting and Training

The Laboratory Accreditation Body Committee develops the standard for operation of laboratory accreditation bodies.

TNI: Quality Management Systems Expert Committee
Session Chair(s): Debbie Bond, Alabama Power

The Quality Management Systems Committee develops a standard for the quality systems in environmental laboratories. The elements of the quality system include organizational structure, responsibilities, procedures, processes, and resources (e.g., facilities, staff, equipment) for implementing quality management in testing operations.

Environmental Forensics
Session Chair(s): Kitty Kong (Chevron) and Kesavalu Bagawandoss (SGS)

  1:00Utility of Tier 1 Analysis in Hydrocarbon Forensics
Kesavalu Bagawandoss, SGS North America, Inc.
  1:30Use of PIANO Data to Identify Source and Potential Age of Subsurface LNAPL at a Pipeline Terminal.
Heather Lord, Environmental Standards Inc.
  2:00The Measurement of C19-C36 Aliphatic Hydrocarbons at a Sediment Superfund Site Using the MADEP Extractable Petroleum Hydrocarbon Method: Considerations for Data quality and Usability
Eric Litman, NewFields Environmental Forensics
  2:30Forensics Analysis of PFAS Using Advanced Analytical Techniques
Sarah Choyke, Eurofins Environment Testing

Environmental Monitoring Coalition (EMC)
Session Chair(s): Jerry Parr

The EMC develops consensus recommendations and provides advice to federal and state agencies and stakeholder groups that will reflect the opinions and positions of its constituents on issues that include but are not limited to:
• Validating and implementing methods for environmental sample collection and analysis;
• Encouraging the method performance approach in environmental monitoring and regulatory programs;
• Employing a quality systems approach that ensures that environmental monitoring data are of reliable;
• Facilitating the operation and expansion of a national environmental accreditation program; and
• Providing input on specific method implementation and monitoring issues.
1:00 Update on 2024 Activities
- Updating the QC Criteria in Methods 608.3, 624.1, and 625.1
- New Methods to minimize or replace the use of methylene chloride
- Revisiting the frequency of QC sample testing
2:00 Open Forum


Innovative Solutions for Water Testing
Session Chair(s): Richard Jack (Phenomenex) and Troy Strock (EPA Office of Water)

  1:00Amperometric CN - Principles, Practice & Operational Benefits
Ilkka Lahdesmaki, FIAlab Instruments, Inc.
  1:30Comprehensive In-situ Planktonic and Aggregate-bound E.coli Monitoring for Reliable Risk Assessment
Dan Angelescu, Fluidion US Inc.
  2:00Method 1621: Determination of Adsorbable Organic Fluorine in Aqueous Matrices by Combustion Ion Chromatography
Sarah Bekah Burket, USEPA OST
  2:30The Collaborative Efforts to Develop an EPA Method for 6PPD-Q in Aqueous Matrices
Adrian Hanley, USEPA OST

Metals Analysis
Session Chair(s): Joshua Sussman (USGS) and Cecelia O'Connor (USGS)

  1:00Novel Developments in Inductively Coupled Plasma Mass Spectrometry: How can the Analysis of Complex Samples Be Made Simple?
Andy Fornadel, Thermo Fisher
  1:30Chromium VI Analysis Revisited to Respond to Evolving Environmental Regulations
  2:00Revising Standard Method’s Section 3125 Metals by ICPMS
Matthew Sullivan, Minneapolis Water Works Department
  2:30Improving Sample Throughput for Metals Analysis with Intelligent Automated Standard & Sample Introduction
Craig Jones, Agilent Technologies, Inc.

Innovative New Technology Showcase

Plenary Session

  8:30Coming Soon
Christine Whitcraft, California State University Long Beach
  10:30Coming Soon
Godfrey Uzochukwu, North Carolina A&T State Univ.
  11:15Leading in Sound Evidence-Driven Decision Making: Inspiring Stories from the Field!
Brighton Musevenzo, Evidence 4 Impact 360

Collaborative Efforts to Improve Environmental Monitoring
Session Chair(s): Lem Walker (USEPA) and William Lipps (Shimadzu)

  1:30A New Method for the Analysis of Pesticides in Water Samples
William Lipps, Shimadzu Scientific Instruments
  2:00Under Development: Standard Methods 4500 N Part F – Persulfate Digestion and Colorimetry using 2,6-Dimethylphenol
Christian Prokisch, MACHEREY-NAGEL
  2:30EPA's Environmental Response Laboratory Network - Preparing for CBRN Incidents
Christina Langlois-Miller, US EPA, CBRN CMAT
  3:30Real-Time Detection of Volatile Organic Compounds in RO-Based Potable Reuse
Aurelie Marcotte, Entanglement Technologies
  4:00Strengthening Collaboration and Coordination for Effective Water Contamination Incident Support
Peter Roumeliotis, United States Environmental Protection Agency
  4:30Delay Columns: Additional Impacts to Delaying PFAS Present in the Background
Ruth Marfil-Vega, Shimadzu Scientific Instruments

The Role of AI in Environmental Analyses
Session Chair(s): Agustin Pierri (Weck Labs) and Bob Wyeth (The NELAC Institute)

  1:30Make Sense of AI and What it will Mean for Your Lab
Stacia Sump, Clinisys
  2:00Facilitating & Improving Environmental Data Analysis: A Machine Learning Approach
Ruoji Luo, Agilent Technologies, Inc.
  2:30Employing Machine Learning and Artificial Intelligence Techniques to Determine Emission Sources at Industrial Facilities Using Open-Source Data from Open-Path and Point Monitoring Systems
Nate Chambers, Argos Scientific
  3:30AI Based Workflows in Environmental Laboratories
Shay Hassidim, Clinisys
  4:00Enhancing Environmental Monitoring Through Advanced Quality Assurance of Ambient Pollutants: Leveraging AI and External Data Sources for System Validation
Hailey Gebhart, Argos Scientific, Inc.
  4:30AI Data Analytics in Environmental Laboratories
Shay Hassidim, Clinisys

TNI: Mentor Session
Session Moderator: Calista Daigle and Valerie Slaven, Pace Analytical Services

- Beyond the Checklists

TNI: Microbiology Committee
Session Chair(s): Cody Danielson, Oklahoma DEQ

The Microbiology Expert Committee is responsible for Module 5 of the TNI laboratory accreditation standard.

EPA Program Updates

  8:30SW-846 Methods 2024 Updates
Troy Strock, US EPA Office of Resource Conservation and Recovery
  9:00EPA Clean Water Act (CWA) Methods Activities
Adrian Hanley, USEPA OST
  9:30Overview and Updates of the Federal Drinking Water Program
Dan Hautman, USEPA OW OGWDW Technical Support Branch

Crafting Consensus Methods for Environmental Sampling and Measurement
Session Chair(s): William Lipps (Shimadzu) and Raul Dominguez (AQMD)

  1:30A New Method for the Analysis of Polar Pesticides and Herbicides in Water Samples
William Lipps, Shimadzu Scientific Instruments
  2:00Development of a New Standardized Method for the Analysis of PFAS in Consumer Products
Michael Deible, RJ Lee Group
  2:30Comparison of Calibration Technique in Analysis of PFAS by Two ASTM Methods
William Lipps, Shimadzu Scientific Instruments

Drinking Water
Session Chair(s): Ken Rosnack (Waters) and Yongtao (Bruce) Li (Eurofins)

  10:30Adventures in Targeted Toxin Analysis of Various Water Sources..the More You Look the More You Find
Stuart Oehrle, Northern Kentucky University-Waters Lab
  11:00Lithium Occurrence: What We Have Learned from UCMR5
Yongtao Li, Eurofins Eaton Analytical, LLC
  11:30PFAS Occurrence: What We Have Learned from UCMR5
Yongtao Li, Eurofins Eaton Analytical, LLC

Per- and Polyfluoroalkyl Substances (PFAS) in the Environment
Session Chair(s): Mike Chang (Restek Corp) and Jonathan Thorn (Eurofins-Lancaster Laboratories Environmental)

  10:30Determination of Total PFAS in Food-Contact Materials Using Combustion Ion Chromatography (CIC)
Chris Shevlin, Thermo Fisher Scientific
  11:00Analytical Fate of Ultra-Short Chain PFAS and Inorganic Fluorine in EOF and AOF
David Schiessel, Babcock Laboratories, Inc.
  11:30Tools for the Characterization of PFAS in Wastewater
Jonathan Thorn, Eurofins Lancaster laboratories Environmental Testing, LLC
  1:00A Journey from Water Samples to Human Plasma and Serum Finding Ultrashort-chain and Alternative PFAS (C1 – C10) Simultaneously
Mike Chang, Restek Corporation
  1:30Emerging Methods for the Analysis of Volatile PFAS in Water: HS-SPME-GC/MS
Alan Owens, Shimadzu Scientific Instruments
  2:00Monitoring Produced Gases From PFAS Destruction Technologies Inline With OTM-50
Hannah Calder, Markes International
  2:30Chemical Ionization Mass Spectrometry for Real-time Monitoring of Semivolatile Emerging Atmospheric Contaminants: Application of the AIM Reactor in PFAS Detection
Veronika Pospisilova, Tofwerk
  3:30Leveraging MS1 Data in Non-Targeted Workflows to Improve PFAS Discovery
David Schiessel, Babcock Laboratories, Inc.
  4:00Orbitrap GC and LC Workflows for Non-targeted Analysis Using Dispersive Liquid-liquid Microextraction (DiLLME) Sample Preparation
Ed George, Thermo Fisher Scientific

TNI: Field Sampling and Measurement
Session Chair(s): Tracy Szerszen, Perry Johnson Laboratory Accreditation and Katie Strothman, Sanders Laboratories

The National Environmental Field Activities Program (NEFAP) Executive Committee and the Field Activities Committee hold a joint session on future efforts related to the accreditation of Field Sampling and Measurement Organizations (FSMOs).
- Review of Changes to FSMO NEFAP Volume 1 and 2 Standards
- 2024 and 2025 Sampling Conclaves
- 2024 Workshop on PFAS in Field Blanks
- Future Sampling Workshops
- Current and Future Training Events

Optimizing Laboratory Operations
Session Chair(s): Judy Morgan (Pace Laboratories) and Andrea Teal (Eurofins)

  1:00Providing the Tools Needed for a Lab to Produce a Detailed Data Package for Reporting Results for EPA Approved Methods on Dioxins (Alternate Testing Procedure for the Determination of Dioxins & Furans by Method 1613b Replacing GC-HRMS with GC-MS/MS)
Dale Walker, Agilent
  1:30Redefined Analysis Workflow Following Environment Method.
Yoshiro Hiramatsu, Shimadzu Scientific Instrument
  2:00Simplification of Laboratory Workflows for the Analysis of Common Contaminants as Required per EPA Methods 8270E, 625, Appendix IX, 8081B, 8141B by the Use of Gas Chromatography Mass Spectrometry
Andy Fornadel, Thermo Fisher
  2:30Closed-Loop Systems for Quality Management in an Environmental Laboratory
Surjit Saini, Santa Clara Valley Water District
  3:30Reducing the Cost of Poor Quality and Improving Efficiency with Quality Management
Elizabeth Turner, Eurofins Environment Testing
  4:00Retooling to Calculate Initial and Annual MDLs Following Revision 2 of 40CFR136 AppB
Lisa Stafford, Eurofins Environment Testing

Participatory Science
Session Chair(s): Leon Vinci (Drexel University) and Mike Pascucilla (East Shore District Health Dept)

  1:00Sound & Reliable Data From the Community
Leon Vinci, Drexel University
  1:30Maintaining Accuracy with Community Science Across Time and Space: California MPA Watch Program
Wendy Berube, Orange County Coastkeeper
  2:00Microbial Source Tracking of Bacterial Contamination in Recreational and Aquaculture Waters – A Root Cause Public Health Tool Towards Improved Water Quality.
Sarah Esenther, Institute at Brown for Environment and Society
  2:30Overview of an Innovative Community Air Monitoring Program in the San Francisco Bay Area
Kathy Kerridge, Benicia Community Air Monitoring Program
  3:30Parkrose School District and Argos Scientific Partner to Monitor Air Pollution Near Schools and Provide New Avenues of Educational Integration
Hailey Gebhart, Argos Scientific, Inc.
  4:00A Public/Private Approach for Technical Evaluation of an Innovative Open-path Hydrogen Sulfide Air Monitoring System
Tim Kuiken, Argos Scientific, Inc.

TNI General Session
Session Chair(s): Alfredo Sotomayor, Milwaukee Metropolitan Sewerage District

Revisiting the Original Vison of NELAP, Jerry Parr, TNI
Updates from
- Advocacy Committee, Steve Arms, Florida DOH (Retired)
- National Environmental Laboratory Accreditation Program (NELAP) Accreditation Council, Kristin Brown, Utah DHHS
- Laboratory Accreditation System Executive Committee (LASEC). Maria Friedman, California ELAP
- Credentials Committee, Kenneth Brown, City of Escondido, CA
- Training Committee, Calista Daigle, Pace Analytical Services

TNI Committee Reports
Session Chair(s): Alfredo Sotomayor, Milwaukee Metropolitan Sewerage District

Each committee chair will provide a recap of events that occurred during the week.

Keynote Speaker

  8:15The Importance of Laboratory Data to Protect Public Health and the Environment
Sean Maguire, California State Water Resources Control Board

The Evolving Compliance Landscape in the California Laboratory Community

9:00 An Update on California ELAP, Christine Sotelo, California ELAP
9:30 How the Florida Society on Environmental Analysts Improved the Professionalism of the Florida Laboratory Community, Robin Cook, City of Daytona Beach
9:50 How the California Society on Environmental Analysts Plans to Improve the Professionalism of the California Laboratory Community, Carolyn Ruttan, CSEA


Mastering the TNI Standard

10:30 Using TNI Resources to Be Better, Kelvin Yuen, Los Angeles County Sanitation Districts
11:00 How Accreditation Bodies Ensure Consistency, Katelyn Hilty, California ELAP
11:30 Comments and Suggestions from Attendees


Determining What is Really Important in Laboratory Assessments

1:00 - 2:00 Panel Presentations (15 minutes each)
- Accreditation Body Perspective, Maria Friedman, California ELAP
- Laboratory Perspective, Prem Parmar, Orange County Water District
- Third Party Assessor Perspective, Tony Francis, SAW Environmental
- Laboratory Consultant Perspective, Aaren Alger, Alger Consulting and Training


Open Forum: Comments and Suggestions from Laboratories, Accreditation Bodies, and Consultants


Air Monitoring, Methods, and Technology

  Ethylene Oxide Measurement – Techniques for Sample Collection and Overcoming the Challenges of the Analysis.
Hannah Calder, Markes International
  Evaluating Membrane Filters for Accurate PFAS Air Emission Analysis with OTM-45: Laboratory and Field Investigations
Lindsay Lozeau, MilliporeSigma

Analyzing Microplastics in the Environment

  Microplastics Monitoring in Japanese River Samples Using an Automatic Sample Preparation Device
Ruth Marfil-Vega, Shimadzu Scientific Instruments

Automation & Innovation for Sample Preparation

  Analysis of PFAS in Soils via Automated Soil Sample Preparation and LC-MS/MS as a Screening Procedure for EPA Method 1633
Bradley VanMiddlesworth, ePrep Analytical
  Automation of US EPA Method 1633 for the Determination of PFAS Samples using the FREESTYLE XANA-PFAS System
Sean McHugh, GERSTEL, Inc.
  New Options for Solvent Extraction of Polychlorinated Biphenyls from Environmental Matrices
Alicia Stell, CEM Corporation
  Sample Concentration for Volatile Organic Compounds (VOCs) Using preparative USEPA Methods 5030 and 5035 in Conjunction with Determinative Method 8260 Using Hydrogen Carrier Gas with the Agilent HydroInert Source and Nitrogen Purge Gas with a Teledyne Tekmar Atomx XYZ Purge and Trap.
Thomas Hartlein, Teledyne Tekmar
  Simple, Quick & Low Cost 6-Position Parallel Channel, High Throughput Automated Sample Cleanup for POPs Analysis
Rudolf Addink, Fluid Management Systems

Collaborative Efforts to Improve Environmental Monitoring

  Seawater Nutrient Analysis
Jakob Woodside, Xylem

Drinking Water

  Addressing PFAS Contamination: Troubleshooting Common Contamination and Instrumentation Problems
Alexander Adams, Orange County Water District
  Employing a Novel SPE Mini-Disk and Extraction System to Maximize the Efficiency of Extracting Organic Compounds
Ian Wan, PromoChrom Technologies
  Exploring Lower-Level Analysis with DWRL 123-TCP Method: Insights into 123-TCP, EDB and DBCP Evaluation
Tuan Nguyen, Orange County Water District
  NDMA – Optimizing Sample Recovery: The Impact of Pressure, Temperature, and Flow
Elder Turcios, Orange County Water District

Emerging Environmental Applications for High Resolution Mass Spectrometry

  Combination of Targeted and Non-Targeted Workflows for the Identification of Pollutants in River Water using a Passive Sampling Method
Gregory Nieckarz, Bruker Daltonics
  Considerations in Developing a GCMS Accurate Mass Screening Workflow for Environmental Pollutants
Tarun Anumol, Agilent Technologies
  Fast Analysis of 140 Pesticides, PAHs, and PCBs by GC/MS/MS
Alexis Willey, Agilent

Ensuring Reliable Data

  Novel Column Chemistry Raises the Bar on Sensitivity and Data Accuracy in the Analysis of Semivolatile Organic Compounds.
Jennifer Sanderson, Agilent Technologies, Inc

Innovative Solutions for Water Testing

  Determination of 6PPD-Quinone in Aqueous Matrices Using Solid Phase Extraction With Various Polymeric Sorbents and Liquid Chromatography with Tandem Mass Spectrometry (LC/MS/MS)
Arielle Cocozza, UCT

New Organic Monitoring Techniques

  Analysis of Anionic and Cationic Polar Pesticides Using a New Mixed Mode Column
Richard Jack, Phenomenex
  Analysis of Volatile Organic Compounds by Purge and Trap (P&T) and Gas Chromatography/Mass Spectrometry (GC/MS) Using Nitrogen as a Purge Gas
Jakob Woodside, OI Analytical - Xylem
  Simultaneous Analysis of Underivatized Formic Acid and Volatile Fatty Acids (C2-C5) using the Brevis GC-2050
Ruth Marfil-Vega, Shimadzu Scientific Instruments
  Two Methods to Perform the New US EPA Method 1628 with GC/MSD: Traditional Helium Carrier Gas and Hydrogen Carrier Gas
Jennifer Sanderson, Agilent Technologies, Inc

Optimizing Laboratory Operations

  Creating An Automated Annual MDL Verification Process
Erin Marshall, Orange County Water District
  Helium to Hydrogen Conversion for GC/MS and GC/MS/MS Analysis of Semi-Volatile, Volatile, and PAH Compounds: A Practical Guide for Environmental Laboratories
Tarun Anumol, Agilent Technologies

Participatory Science

  Land Policy Regulations and Human and Wildlife Behavior in Endangered and Threatened Bird Habitat
Christina Giudice, Orange County Coastkeeper
  Monitoring MPA Violations and Human-Wildlife Interactions to Prevent Sand Barrier Breaching
Christina Giudice, Orange County Coastkeeper

Per- and Polyfluoroalkyl Substances (PFAS) in the Environment

  Analysis of PFAS in Water Using Weak-Anion Exchange/Graphitized Carbon Black SPE and LC-MS/MS Analysis According to EPA Method 1633 4th Draft
Arielle Cocozza, United Chemical Technologies, Inc
  Determination of PFAS in Environmental Wastewater Samples by Combustion Ion Chromatography: Collaboration Results from the EPA Draft Method 1621
Neil Rumachik, Thermo Fisher Scientific
  Enhanced Sensitivity for PFAS Using a Hybrid Autosampler Approach with LC-MSMS
Emily Parry, Agilent Technologies
  Improved Total Organic Fluorine Method for More Comprehensive Measurement of PFAS in Industrial Wastewater and River Water
Richard Jack, Phenomenex
  Improvement of the Method Detection Limit Listed in EPA 1633 for PFAS
Ruth Marfil-Vega, Shimadzu Scientific Instruments
  LC-MS/MS Robustness: a Real-world Case Study of PFAS Testing
Diana Tran, SCIEX
  Redefining the Efficiency of Automated PFAS Extraction following EPA Method 1633 for Large-Volume Samples
Jeffrey Nichol, PromoChrom Technologies
  Semi-automated Solid Phase Extraction Cleanup of Soil Samples with LC-MS/MS Analysis of Per- and polyfluoroalkyl Substances (PFAS) in Accordance with EPA Draft Method 1633
Cynthia Grim, Thermo Fisher Scientific
  Single vs Triple for PFAS Analysis? Yes, a Single Quadrupole Mass Spec Fits in the Toolbox.
Ruth Marfil-Vega, Shimadzu Scientific Instruments
  The Use of a Non-Targeted Approach for Characterizing PFAS in Consumer Products
Jonathan Thorn, Eurofins Lancaster laboratories Environmental Testing, LLC
  Wastewater, Fish Tissue and Biosolids: an Analytical Evaluation of EPA Method 1633
Kendra Adams, SCIEX