Review on DULs - Carlos Peña-Garay - LSC, Spain

The Sanford Underground Research Facility - Jaret Heise - SURF, USA

A New Low-Background Facility in China Jinping Underground Lab - Zhi Zeng - Tsinghua University, China

The ANDES Deep Underground Laboratory project - Pia Loaiza - IN2P3, France

Deep Science at Boulby Underground Laboratory: Subterranean studies at the UK’s deep underground science facility - Emma Meehan - Boulby, UK

Review of Gamma-ray spectrometry for Material Radioassay in Current and Future Generation Rare Event Search Experiments - Paul Scovell - Boulby, STFC, UK

Inductively Coupled Plasma Mass Spectrometry: An Ultrasensitive Tool for Ultralow Background Physics - Isaac Arnquist - PNNL, USA

The GeMSE Low-Background Facility for Meteorite and Material Screening - Diego Ramirez Garcia - Freiburg University, Germany

Overview of HPGe measurements in LPSC-Modane - Guillaume Warot - CNRS, France

Sensitivity and advantages of laser Ablation ICPMS and comparison with other technics on several materials - Frédéric Perrot - University of Bordeaux / CENBG / IN2P3, France

Organic liquid scintillator purification - Richard Ford - SNOLab, Canada

LiquidO project - Mark Chen - Queens University, Canada

Radiopurity program for SuperK-Gd - Motoyasu Ikeda - University of Tokyo, Japan

SNO+ water purification and radium and radon assay techniques - Nasim Fatemighomi - SNOLab, Canada

Tellurium Purification and Deployment in SNO+ - Szymon Manecki - SNOLab, Canada

Noble gas purification for LZ and other liquid noble dark matter searches - Eric Miller - SLAC, USA

Low-radioactivity argon for low-level radiation detectors: a global overview - Henning Back - PNNL, USA

Low-radioactivity argon for DarkSide 20k - Luciano Romero - CIEMAT, Madrid

Understanding and suppressing radioactive noble gas background in liquid xenon detectors - Hardy Simgen - MPI, Heidelberg, Germany

Production of low background scintillating crystals for underground experiments in Korea - Moo Hyun Lee - IBS, Korea

Status of the SABRE NaI (Tl) dark matter experiment - Suerfu Burkhant - Princeton University, USA

Purification of crystals for AMORE and COSINE - Olga Gileva - IBS, Korea

Status of direct Dark Matter search experiment at KamLAND - Alexandre Kozlov - University of Tokyo, Japan

Analysis of backgrounds for the ANAIS-112 dark matter experiment - Susana Cebrián - University Zaragoza, Spain

Surface Alpha Counting with XIA - Xin Ran Liu - University of Edinburgh, UK

Review on Neutron Activation Analysis - Monica Sisti - University of Milano Bicocca, Italy

Paleo-detectors: Searching for Dark Matter with Ancient Minerals - Patrick Stengel - Stockholm University, Sweden

A new neutrinoless double beta decay experiment: R2D2 - Anselmo Meregaglia - CENBG / CNRS, France

Developing measurements on activated samples in order to achieve sensitivity below ppt level - Massimiliano Nastasi - INFN / Milano Bicocca, Italy

GEANT4 progress - Emilio Mendoza - CIEMAT, Madrid

Conceptual design of the COSINUS experiment using cryogenic NaI detectors for direct dark matter search - Alexander Fuss - Vienna University of Technology, Austria

Neutron production in (alpha,n) reactions: where we were and where we are now - Vitaly Kudryavtsev - University of Sheffield, UK

Background characterization of the SABRE experiment - Giulia d’Imperio - INFN / Roma 1, Italy

Background models in the low energy region: TREX-DM and IAXO-D0 setups - Gloria Luzón - University Zaragoza, Spain

Reduction of Cosmogenic Radioactivity in Low Background Detectors - Frank Avignone - University of South Carolina, USA

Measuring cosmogenic activation rates in active detector material - Ariel Matalon - Kavli Institute for Cosmological Physics at the University of Chicago, USA

Muon and neutron background measurements in the shallow-underground laboratory Felsenkeller Felix Ludwig - Helmholtz-Zentrum - Dresden-Rossendorf, Germany

Radiopurity of surfaces - Grzegorz Zuzel - Jagiellonian University, Poland

Surface and bulk Pb210/Po210 contamination study on copper and PTFE using low background alpha counter - Kazuyoshi Kobayashi - ICRR Tokyo, Japan

Developments in surface background removal for the DARWIN liquid xenon detector - Guillaume Eurin - MPI Heidelberg, Germany

Application of surface coatings for radon emanation mitigation - Florian Jörg - Max-Planck-Institut für Kernphysik, Germany

Study of surface contamination in ultralow background (ULB) materials - Maria Laura Di Vacri - PNNL, USA

Exploration of the challenges with radon-generated Po-210 surface contamination - Cabot-Ann Christofferson - SDSMT, USA

Determination of 210Po in metals and electronic components down to 0.5 mBq/kg - Thomas Mróz - Institute of Physics, Jagiellonian University, Krakow, Poland

Ultra-pure Copper Electroplating and Electroforming for Rare Event Detection Experiments - Patrick Nights - University of Birmingham, UK

DarkSide 20-k Material Assay Campaign - Grzegorz Zuzel - Jagiellonian University, Poland

A study on high energy gamma intensities from the 208Tl decay with a ThO2 powder - Gowoon Kim - IBS, Korea

The most modern mechanical technologies and cutting edge radio-analytical techniques merged for extremely low background achievement - Stefano Nisi - LNGS, INFN , Italy

A Convenient Approach to Sub-10-12g/g Level Measuring of U and Th in Acrylic - Chuanya Cao - Institute of High Energy Physics, China

Radiopurity of Atmospheric Argon - Bjöern Lehnert - Berkeley Lab, USA

Results and the Background Model from DEAP-3600 - Chris Jillings - SNOlab, Canada

XENON1T background modeling and statistical techniques for low background experiments - Alessandro Manfredini - University of Zurich, Switzerland

Final results of the CUPID-0 Phase I experiment - Mattia Beretta, INFN and University of Milano - Bicocca

Background mitigation techniques for the CUORE experiment - Sachinthya Wagaarachchi - University of California, USA

DEMETRA: Mitigation of the Radioactivity Effects in Quantum-Bits - Laura Cardani - INFN, Italy

Low background stainless steel for PandaX-4T dark matter experiment - Tao Zhang - Shanghai Jiao Tong University, China

The background control for the PandaX-4T experiment - Yue Meng - Shanghai Jiao Tong University, China

Studies of poly(ethylene naphthalate) for use as a structural scintillator in low background experiments - Connor Hayward - Max Planck Institute for Physics, Germany

The nEXO Background Control Program - Andreas Piepke - University of Alabama, USA

In-situ characterization of background sources in the NEXT experiment - Ander Simon - University Ben-Gurion of the Negev, Israel

Low-Background Techniques Applied within the MAJORANA DEMONSTRATOR Experiment - Vincente Giuseppe - USC, USA

Direct measurement of 13C(a,n)16O reaction towards in the s process Gamow peak - Laszlo Csedreki - LNGS, Italy

Coherent elastic neutrino nucleus scattering with the CONUS experiment - Janina Hakenmüller - Max Planck Institute for Physics, Germany

Results of the background-free search for neutrinoless double beta decay with GERDA &challenges of the LEGEND experiment - Mario Schwarz - TU Munich, Germany

LEGEND: Next-Generation Neutrinoless Double-Beta Decay Search in Germanium-76 - Matthew Green - Oak Ridge, USA

Measurements of radioactive backgrounds in high-resistivity silicon CCDs of the DAMIC-100 experiment - Ariel Matalon - Kavli Institute for Cosmological Physics at the University of Chicago, USA

Cryogenic Detectors with Superconducting Thermometers for Light Dark Matter Direct Search - Valentyna Mokina - HEPHY, Austria