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Search Publications by: Rick D. Davis (Fed)

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Displaying 1 - 25 of 184

Suspect Screening of Per- and Polyfluoroalkyl Substances in New Firefighter Turnout Gear Textiles

March 20, 2025
Author(s)
Andrew Maizel, Andre Thompson, Benjamin Place, Alix Rodowa, Jessica Reiner, Audrey Tombaugh, Halen Solomon, Brittany Stinger, Michelle Donnelly, Rick Davis
Firefighter turnout gear provides protection from exposure to flame, heat, and liquids, but has also been found to contain numerous per- and polyfluoroalkyl substances (PFAS). Previous examinations of PFAS in firefighter turnout gear have predominantly

Per- and Polyfluoroalkyl Substances in Textiles Present in Firefighter Gloves, Hoods, and Wildland Gear

December 13, 2024
Author(s)
Andre Thompson, Andrew Maizel, Meghanne Tighe, Samuel Escobar Veras, Alix Rodowa, Bruce Benner, Audrey Tombaugh, Jessica Reiner, Michelle Donnelly, Ryan Falkenstein-Smith, John Kucklick, Catherine Rimmer, Rick Davis
Firefighter turnout gear has been found to contain per- and polyfluoroalkyl substances (PFAS) and is a potential source of PFAS exposure to firefighters. However, previous evaluations of firefighter exposure to PFAS through personal protective gear has

The Impact of Material Composition on Ignitability and Fire Growth. Volume 1: Full-Scale Burning Behavior of Combustible Solids Commonly Found in Nuclear Power Plants

February 13, 2024
Author(s)
Isaac Leventon, Michael Heck, Kevin B. McGrattan, Matthew Bundy, Rick D. Davis
This report provides an overview of quantitative measurement data and visual observations obtained from a series of 52 full-scale fire growth experiments conducted on 16 unique combustible solids including: natural and synthetic polymers, copolymers

Per- and Polyfluoroalkyl Substances in Firefighter Turnout Gear Textiles Exposed to Abrasion, Elevated Temperature, Laundering, or Weathering

January 16, 2024
Author(s)
Andrew Maizel, Andre Thompson, Meghanne Tighe, Samuel Escobar Veras, Alix Rodowa, Ryan Falkenstein-Smith, Bruce A. Benner Jr., Kathleen Hoffman, Michelle K. Donnelly, Olivia Hernandez, Nadine Wetzler, Trung Ngu, Jessica Reiner, Benjamin Place, John Kucklick, Kate Rimmer, Rick D. Davis
Textiles used in the construction of structural firefighter turnout gear jackets and pants have been found to contain per- and polyfluoroalkyl substances (PFAS) as well as fluoropolymer membranes and treatments containing fluorinated polymers. Additionally

Per- and Polyfluoroalkyl Substances in New Firefighter Turnout Gear Textiles

May 1, 2023
Author(s)
Andrew Maizel, Andre Thompson, Meghanne Tighe, Samuel Escobar Veras, Alix Rodowa, Ryan Falkenstein-Smith, Bruce A. Benner Jr., Kathleen Hoffman, Michelle K. Donnelly, Olivia Hernandez, Nadine Wetzler, Trung Ngu, Jessica Reiner, Benjamin Place, John Kucklick, Kate Rimmer, Rick D. Davis
Turnout gear is increasingly recognized as a potential source of per- and polyfluoroalkyl substance (PFAS) exposure to firefighters. To determine the type, concentration, and prevalence of PFAS potentially present in new firefighter turnout gear, fifty

Characteristics of Nuclear Power Plant Fires Involving Electrical Enclosures

November 10, 2021
Author(s)
Isaac Leventon, Kenneth Hamburger, Kevin B. McGrattan, Rick D. Davis
PRIMARY AUDIENCE Fire protection and fire probabilistic risk assessment engineers conducting or reviewing fire modeling that supports fire probabilistic risk assessments related to characteristics (e.g., ignition, fire growth, and peak heat release rate)

Demonstration of an all-in-one solution for fire safe upholstery furniture: A benign backcoating for smoldering and flame-resistant cover fabrics

August 15, 2021
Author(s)
Ickchan Kim, Andre Thompson, Sung Chan Kim, Anthony Hamins, Matthew Bundy, Shonali Nazare, Rick D. Davis, Mauro Zammarano
The development of fire prevention and mitigation technologies with a benign toxicological and environmental profile has become of particular interest in the USA due to the recent adoption of state regulations that severely restrict the use of flame

Estimating the Impact of 16 CFR Part 1633 on Bed Fire Outcomes

November 18, 2020
Author(s)
Stanley W. Gilbert, David Butry, Rick D. Davis, Richard Gann
Effective July 1, 2007, the U.S. Consumer Product Safety Commission promulgated a standard to severely reduce the heat release rate and the early heat output from mattresses and foundations when ignited by a flaming ignition source. This study estimates

The Roles of Standard Cigarettes in Assuring the Ignition Resistance of Soft Furnishings

November 18, 2020
Author(s)
Richard G. Gann, Ickchan Kim, Steven P. Lund, William F. Guthrie, Rick D. Davis
Regulations for cigarette ignition resistance (CIR) of soft furnishings (beds and upholstered furniture) and less fire-prone cigarettes have contributed substantially to the decrease in losses from cigarette-initiated fires over time. Two Standard

Reduced-Scale Test to Assess the Effect of Fire Barriers on the Flaming Combustion of Cored Composites: an Upholstery-Material Case Study

September 4, 2020
Author(s)
Mauro Zammarano, John R. Shields, Isaac T. Leventon, Ickchan Kim, Shonali Nazare, Andre L. Thompson, Rick D. Davis, Artur A. Chernovsky, Matthew F. Bundy
In this work, we describe a reduced-scale test (“Cube” test), based on cone calorimetry, measuring the fire performance (heat release rate, propensity to pool-fire formation, etc.) of composite specimens including a fire barrier (FB) and a flammable core

Estimating the Impact of 16 CFR Part 1633 on Bed Fire Outcomes

April 28, 2020
Author(s)
Stanley W. Gilbert, David T. Butry, Richard G. Gann, Rick D. Davis
Effective July 1, 2007, the U.S. Consumer Product Safety Commission promulgated a Standard that would severely reduce the heat release rate and the early heat output from mattresses and foundations that had been ignited by a flaming ignition source