Conference Overview
Important Dates:
- Abstract Submission Deadline:
August 15th, 2025,extended to September 5th, 2025 - Notification of Acceptance:
September 15th, 2025,extended to October 3rd, 2025 - Extended Abstract Due:
December 15th, 2025,extended to January 5th, 2026 - Conference Dates: May 12th (only evening reception), May 13th and 14th 2026 (full conference days), dinner banquet on the 14th 2026
Please see below for the detailed Agenda / Presentation Schedule.
Tentative ICISR Agenda / Presentation Schedule
May 12th – Day 0
| 6:00–8:00 PM | Welcome Reception | Reception offering time to meet, mingle, and connect with fellow attendees. Hors d’oeuvres and light refreshments will be provided. |
May 13th – Day 1
| 7:00–8:00 AM | Breakfast and Registration |
| 8:00–8:30 AM | Welcoming Remarks |
8:30–10:30 AM
Session Block 1
(15 min talk, 5 min Q&A)
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Testing and Standardization of Iron-Sulfide–Bearing Aggregates in Concrete
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Presentation 1 | Christoph E. Geiss | Monoclinic and hexagonal pyrrhotite identification using the thermomagnetic method | |
| Presentation 2 | Pierre-Luc Fecteau | Concrete Aggregate Testing for Iron Sulphides: Oxygen Consumption Testing Interlaboratory Studies in Canada to Evaluate Multi-laboratory Variability in View of Standardization | |
| Presentation 3 | Rachel Garside | Pyritiferous claystone – EN12620 “compliant” aggregate and the case for thin section petrography | |
| Presentation 4 | Andreia Rodrigues | Oxygen consumption test for aggregates containing iron sulfides: sample preparation and column dimension effect | |
| Presentation 5 | Peter O. Anifowose | A Test Method to Evaluate Concrete Containing Sulphide-Bearing Aggregates in Concrete | |
| Presentation 6 | Pierre-Luc Fecteau | Concrete Aggregates Testing for Iron Sulphides: Accelerated Mortar Bar Testing Interlaboratory Study in Canada to Evaluate Multi-Laboratory Variability in View of Standardization |
| 10:30–10:45 AM | Morning Coffee Break |
| 10:45–10:55 AM | Homeowners Association Presentation | Coalition d'aide aux victimes de la pyrrhotite (CAVP) |
10:55 AM–12:15 PM
Session Block 2
(15 min talk, 5 min Q&A)
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Mechanisms and Field Performance of Iron-Sulfide–Induced Concrete Deterioration
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Presentation 1 | Christopher Brough | Differences in internal sulphate attack across the Republic of Ireland and long-term implications – how far could it go? | |
| Presentation 2 | Cédric Drolet | Case study: low permeability concrete containing sulfide-bearing aggregates | |
| Presentation 3 | Pierre-Luc Fecteau | Linking the exposure conditions of defective blocks with expansion in an Irish home by monitoring and microstructural analysis | |
| Presentation 4 | Gilberto Cidreira Keserle | Pyrrhotite-Induced Concrete Degradation - An Exploratory Data Analysis Integrating Laboratory and Field Investigations in the Trois-Rivières Region |
| 12:15–1:15 PM | Lunch |
| 1:15–1:25 PM | Homeowners Association Presentation | MA Homeowner Association |
1:25–3:25 PM
Session Block 3
(15 min talk, 5 min Q&A)
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Factors and Accelerated Testing Methods for Iron-Sulfide–Induced Concrete Deterioration
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Presentation 1 | Dipayan Jana | Roles of Aggregate Type, Concrete Quality, and Exposure Conditions on Pyrrhotite Oxidation and ISA Related Damage in Ireland | |
| Presentation 2 | Hamid Reza Shadkam | Accelerated Assessment of Sulphide-Bearing Aggregates Using the Vacuum-Bleach Injection Technique (VBIT) | |
| Presentation 3 | Alex Smith | Accelerated concrete core test for pyrrhotite bearing concrete | |
| Presentation 4 | Michael Mengason | Ozone as an oxidant for accelerated testing of pyrrhotite-induced concrete degradation | |
| Presentation 5 | Andreas Leemann | Deleterious internal sulfate attack on concrete caused by an aggregate with low iron sulfide content | |
| Presentation 6 | Dip Banik | Quantifying iron sulfide superstructures in concrete aggregates in the recovered solids after density-based separation |
| 3:25–3:40 PM | Afternoon Coffee Break |
3:40–4:10 PM
Flash Sponsors Talk
(6 speakers, 5 min talk)
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(6 speakers, 5 min talk)
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| Section Facilitator: TBD | Organization | ||
| Talk 1 | CCIA | ||
| Talk 2 | SGI | ||
| Talk 3 | Sterling Concrete | ||
| Talk 4 | Foundation Solutions of NE, LLC | ||
| Talk 5 | CRMA Inc. | ||
| Talk 6 | TBD |
4:10–5:10 PM
Session Block 4
(15 min talk, 5 min Q&A)
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From Research to Remediation: Policy, Practice, and Impacts of Iron-Sulfide Reactions in Concrete
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Presentation 1 | Paul Dunlop | From mica to pyrrhotite: charting the impacts of scientific research on Irish standards and the government grant scheme to remediate defective concrete homes in Ireland | |
| Presentation 2 | Michael Maglaras | Presentation about funds, insurance claims | |
| Presentation 3 | Kay Wille | Overall UConn presentation |
| 5:10–5:30 PM | Open Floor |
May 14th – Day 2
| 7:00–8:00 AM | Breakfast and Registration |
8:00–8:30 AM
Flash Students Talk
(3 speakers, 10 min talk)
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(3 speakers, 10 min talk)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Talk 1 | Meshach Ojo | Effect of iron-sulfide aggregate sizes and amount on electrochemically accelerated concrete deterioration | |
| Talk 2 | Auishe Pauline Corraya | Phase Transformations during Accelerated Electrochemical Testing and Deterioration of Concrete with Pyrrhotite-bearing Aggregates | |
| Talk 3 | Shalini Devi Tulasi Ravikumar | Evaluating sampling strategy for electrochemical accelerated testing of sulfide-bearing concrete |
8:30–10:30 AM
Session Block 5
(15 min talk, 5 min Q&A)
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Case Studies and Advanced Insights into Iron-Sulfide Concrete Damage
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Presentation 1 | Dipayan Jana | From CT to MA Case Studies of Crumbled Foundations from Pyrrhotite Oxidation and Internal Sulfate Attack in the Eastern US | |
| Presentation 2 | Gilberto Cidreira Keserle | Pyrrhotite-Induced Concrete Degradation - A Machine Learning Approach for Risk Assessment in the Trois-Rivières Region | |
| Presentation 3 | Murilo Henrique Taques Camargo | Impact of sample preparation on the quantification of sulfide-bearing aggregates using XRD | |
| Presentation 4 | Patrick G. Dixon | Crack Networks and Chemistry in Pyrrhotite-Affected Concrete Extracted from a Massachusetts Site | |
| Presentation 5 | Rui Zhong | Internal Sulfate Attack and Premature Deterioration of Structural Concrete: Lessons from China | |
| Presentation 6 | Rodolfo Castillo Araiza | Understanding the role of type of sulphide in concrete degradation: Insights from concrete electrochemical testing scheme of diverse aggregate sources. |
| 10:30–10:45 AM | Morning Coffee Break |
| 10:45–10:55 AM | Homeowners Association Presentation | CT Homeowner Association |
10:55 AM–12:15 PM
Session Block 6
(15 min talk, 5 min Q&A)
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Advanced Analytical Methods for Identification and Quantification of Iron-Sulfide Minerals
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker | Presentation Title | |
| Presentation 1 | Bradley Staniforth | Rapid quantitative assessment of sulphide species and equivalent total sulphur content of aggregate in concrete samples using OI AZtecFeature analysis and UNITY BEX mapping | |
| Presentation 2 | April Snyder | Petrographic Methods to Identify and Quantify Iron-Sulfide Minerals in Aggregate | |
| Presentation 3 | Murilo Henrique Taques Camargo | Improving sulfur analysis: a novel approach to distinguish pyrrhotite in rock aggregates | |
| Presentation 4 | Stephanie Watson | Interlaboratory Study on Sulfur Quantification using Pyrrhotite in Concrete NIST Reference Material |
| 12:15–1:15 PM | Lunch |
| 1:15–1:25 PM | Homeowners Association Presentation | Ireland Homeowner Association |
1:25–3:25 PM
Session Block 7
(15 min talk, 5 min Q&A)
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Reaction Kinetics and Evaluation of Iron-Sulfide Oxidation and Secondary Product Formation
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker / Organization | Presentation Title | |
| Presentation 1 | Osamah H.A. Dehwah | Crack Formation Modeling in Concrete Affected by Iron-Sulfide Reactions | |
| Presentation 2 | Nikolas Ålgård Oberhardt | Mineralogical investigation of pristine aggregate, laboratory mortar bar and concrete field sample | |
| Presentation 3 | Aleksandra Radlińska | Performance of mortar mini-bar tests under different exposure conditions for evaluating iron sulfide-bearing aggregates | |
| Presentation 4 | April Snyder | Assessment and Refinement of Analytical Chemistry Methods to Determine Sulfide Sulfur in Concrete Aggregates toward Standardization in the U.S. | |
| Presentation 5 | Stephanie Watson | Screening for Pyrrhotite and its Reaction Products in Concrete using Raman and Near Infrared Spectroscopy | |
| Presentation 6 | Peter O. Anifowose | Test for Evaluating Sulphide-Bearing Aggregates based on Paste-Coarse Aggregate mix. |
| 3:25–3:40 PM | Afternoon Coffee Break |
3:40–4:10 PM
Flash Students Talk
(4 speakers, 7 min talk)
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(4 speakers, 7 min talk)
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| Presentation | Speaker | Presentation Title | |
| Talk 1 | Ana Rocha | Influence of Matrix Composition and Surface Treatments on Iron Sulfide–Induced Concrete Deterioration | |
| Talk 2 | Sampa Akter | Performance Evaluation of Sulfide-Bearing Aggregates in Mortar Bars | |
| Talk 3 | A T M Masum | Effect of Specimen Geometry on Accelerated Deterioration | |
| Talk 4 | Aagya Dahal | Phase Evolution of Iron Oxyhydroxides in Pyrrhotite-Containing Concrete under Electrochemical Accelerated Testing |
4:10–5:10 PM
Session Block 8
(15 min talk, 5 min Q&A)
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From Quarry to Foundation: Field Mapping, Case Studies, and Mitigation of Pyrrhotite Damage
(15 min talk, 5 min Q&A)
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| Section Facilitator: TBD | Speaker / Organization | Presentation Title | |
| Presentation 1 | Fred Shrimer | Mapping Pyrrhotite in Quarries and Bedrock: Experience in British Columbia, Canada | |
| Presentation 2 | Stephanie Watson | Potential of Commercially Available Sealants to Mitigate Further Oxidation of Pyrrhotite in Existing Foundations | |
| Presentation 3 | Nick Scaglione | Petrographic Characterization of Aggregates Involved in Iron-Sulfide Reactions in Residential Concrete Foundations in Northern Massachusetts and the use of Point-Count Analysis to Determine the Amount of Iron Sulfide Minerals in Concrete Aggregates |
| 5:10–5:30 PM | Open floor |
May 14th– Evening Banquet
| Time TBA | Conference Banquet | Dinner banquet hosted at the Mystic Marine Life Aquarium. |