Case Studies

The case studies listed here are for demonstration purposes exclusively. They are neither intended as references nor as validation by RSI clients. These case studies are a sample of the work done by RSI or directly led by its staff prior to joining RSI. They are intended as an illustration of the type of work that current RSI staff are able to deliver.

Assessing the Impact of Interstudy Variation in LOAELs on Findings of Low-Dose Additivity in In Vivo Studies of Mixtures

Demonstrating the safe use of chemical mixtures remains a critical challenge in toxicological science. In recent years, studies have suggested that chemicals can exhibit dose additivity—causing a combined effect—even when each chemical individually is below its effect threshold. This project...
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Developing a Risk-Based Compliance Framework for Digital Service Delivery

The Financial Consumer Agency of Canada (FCAC) engaged Risk Sciences International to provide strategic advisory services aimed at enhancing its regulatory compliance model through risk-based methodologies. FCAC’s objective was to explore new approaches that would integrate digital tools and data-driven...
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Development of a National Food Safety Information System and Risk Assessment Capacity in Vietnam

Authorities in Vietnam sought targeted expertise to strengthen the country’s ability to detect, assess, and respond to food safety threats. This initiative had two linked objectives: building a comprehensive, transparent, and reliable national food safety information system, and enhancing risk...
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Analysis in Support of Risk-Based Decision-Making for the Alberta Safety Codes Council

An independent regulatory organization responsible for oversight of Alberta’s safety codes system sought to strengthen its capacity for risk-based decision-making. The organization aimed to ensure that regulatory actions—particularly in the area of petroleum storage tanks—were guided by clear, evidence-based prioritization...
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Drinking Water Guidelines for Manganese

Establishing science-based drinking water guidelines for manganese requires integrating diverse regulatory approaches, emerging modeling tools, and evolving toxicological evidence. The client commissioned this project to systematically assess existing manganese drinking water guidelines and the scientific foundations upon which they are...
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External Peer Review of the Draft Screening Assessment Report on Selected C3-C5 Alcohols

To support the quality and defensibility of regulatory decision-making under the Canadian Environmental Protection Act, 1999 (CEPA), Health Canada engaged Risk Sciences International to coordinate an independent external peer review of the Draft Screening Assessment Report (DSAR) for Selected C3-C5...
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Risk-based decision making framework

The Alliance of Blood Operators (ABO) sought to move its members toward a consistent, transparent approach to risk-based decision-making. Having worked through the development of a framework, the organization now wanted formal adoption, external validation, and practical application to real-world...
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Environmental Public Health Approach (EPHA) to Chemicals Expert Workshop

To advance the Government of Canada’s Chemicals Management Plan (CMP), a virtual expert workshop was planned and hosted to refine and evaluate a Canadian framework for the Environmental Public Health Approach (EPHA) to chemicals. The initiative focused on developing case...
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Risk-Based Decision Making (RBDM) Compliance and Enforcement

Innovation, Science and Economic Development Canada (ISED), through its Spectrum Management Innovation Directorate, sought support in applying risk-based decision making (RBDM) across its compliance and enforcement responsibilities. The department was looking for a structured and data-driven approach to prioritize regulatory...
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Risk Model Framework for Foodborne Campylobacteriosis via Poultry Meat Pathway

To support national public health goals, RSI was tasked with developing a quantitative microbiological risk assessment (QMRA) model to estimate the human health risks associated with the consumption of chicken in New Zealand. The core objective was to quantify the...
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Marine Planning and Conservation National Ecological Risk Guidance: Risk Communication Expertise

To support the refinement and implementation of its ecological risk guidance, a federal department responsible for marine conservation engaged expert assistance in risk communication. The primary objective was to ensure that the national guidance for ecological risk assessment—developed as part...
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Validation and Optimization of the Computational Tool for the Microbial Risk Assessment Framework (MRAF)

To support more consistent and quantitative assessments of new micro-organisms under the Canadian Environmental Protection Act, Health Canada's New Substances Program (NSP) sought to refine the tools and processes within its Microbial Risk Assessment Framework (MRAF). The NSP had previously...
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Finalization of Risk Assessment on Secure Opioid Dispensing Devices

To support decision-making around modifications to opioid agonist treatment delivery, a detailed risk assessment was requested to evaluate the integration of secure dispensing devices for direct patient access to hydromorphone. Building on a previously conducted preliminary assessment, the work required...
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Institutional & communications assessment

In the mid-1990s the International Organization for Migration (IOM) faced one of the most pivotal moments in its history. Though it counted 76 member states, it remained outside the United Nations system, and its work was increasingly perceived to overlap...
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Measuring impact of zoonotic animal diseases in Canada

The Canadian Food Inspection Agency sought RSI’s support in exploring how human health impacts from zoonotic diseases could be compared consistently with other public health risks. Traditionally, animal disease control decisions relied on veterinary and economic measures, but there was...
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Food Inspection Scientific Analysis & Risk Modelling

In support of ongoing efforts to modernize Canada's food inspection system, a request was issued for scientific and analytical expertise to enhance two critical risk-based decision tools: the Establishment-based Risk Assessment (ERA) and Importer Risk Assessment (IRA) models. These models...
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Risk Communication on McIntyre Powder

In response to increasing public concern about the historical use of McIntyre Powder—an aluminum-based substance once administered to miners in Ontario to prevent silicosis—the client sought expert guidance on managing risk communication related to potential health implications. Widespread media coverage...
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Risk-Based Optimization of Enforcement Activities

A federal agency required scientific support to enhance the effectiveness of its environmental enforcement activities. This involved identifying and analyzing the risk factors—both environmental and human health-related—that contribute to the likelihood and impact of regulatory offences. The objective was to...
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Evaluation of Health Product Risk Communication Tools

To enhance the effectiveness of health product risk communications, a systematic evaluation was requested to assess the performance of key instruments used to disseminate safety and efficacy information. The aim was to support efforts under the Evaluating the Effectiveness of...
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Age-Related Cognitive Decline: Systematic Review and Meta-Analysis

The College of Physicians & Surgeons of Alberta (CPSA) commissioned a systematic review and meta-analysis to support evidence-informed decision-making around age-related cognitive decline among practicing physicians. The initiative was led by CPSA’s Physician Health Monitoring Program (PHMP), which sought to...
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Applying New Assessment Methods (NAMs) for Assessing Semi-Volatile Organic Compounds (SVOCs) in Indoor Residential Environments

Health Canada sought expert support in advancing its efforts to develop screening values for semi-volatile organic compounds (SVOCs) commonly found in residential indoor environments. Previous work on indoor air contaminants had focused on volatile organic compounds (VOCs), where screening values...
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EFSA Framework for Problem Formulation

To enhance the methodological rigour of its scientific assessments, EFSA sought to develop a standardised framework for problem formulation (PF) within its non-application scientific assessment protocols. The goal was to support the planning phase of these assessments by establishing a...
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Airport traffic flow and signage review

An international airport authority sought a comprehensive assessment of passenger and vehicle traffic flow after receiving complaints of confusion and safety concerns. Reports indicated that passengers were struggling to interpret signage, often stopping too long to process graphics, which caused...
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Technical Support for Risk-Based Decision Making (RBDM)

To enhance the oversight of cannabis production under its regulatory mandate, the Cannabis Directorate sought expert support in developing a risk-based decision-making framework tailored to its compliance and enforcement responsibilities. The directorate aimed to better assess and respond to non-conformance...
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Building an international alliance and campaign

UN-Habitat sought to establish a new global platform to bring coherence to international dialogue on sustainable urbanization. At the outset, this initiative had no name, no identity, and no governing structure, only the recognition that cities faced pressing challenges requiring...
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Risk Assessment of the Impact of Lethality Standards on Salmonellosis from Ready-to-Eat (RTE) Meat and Poultry Products

To support regulatory decision-making, a comprehensive risk assessment was conducted to evaluate how varying lethality performance standards would impact the public health burden of salmonellosis associated with Ready-to-Eat (RTE) meat and poultry products. The primary objective was to quantify the...
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Systematic Review of Artificial Sweeteners and Health Risks

A comprehensive systematic review was undertaken to assess experimental evidence regarding the potential health risks associated with artificial sweeteners, specifically focusing on cancer and pre-term delivery. The client sought a rigorous analysis of both in vivo and in vitro experimental...
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Risk-Based Decision-Making (RBDM) Support for Plasma Supply / Sufficiency

Facing renewed challenges in securing a reliable domestic plasma supply, Canadian Blood Services sought support to apply a Risk-Based Decision-Making (RBDM) framework. The objective was to assess the value and implications of expanding domestic plasma collection and processing capacity in...
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Wildfire and residential smoke risk communication

Government authorities faced recurring challenges in communicating health risks from smoke caused by both wildfires and residential burning. While these events were becoming more frequent and more severe, the public health messages often failed to resonate with affected communities or...
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