American Board of Toxicology, Inc. · 2026 Candidate Handbook, copyright 2026; current examination content outline based on the 2021 practice analysis. The assigned workbook label names the resulting DABT credential; it maps to the ABT Certification Examination in general toxicology. The assigned slug is preserved.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

• Candidate Handbook 2026
• American Board of Toxicology — 2026 Candidate Handbook
• About ABT
• ABT Certification Examination — Summary of Changes Effective 2026
• NC3Rs Experimental Design Assistant — Allocation
• NC3Rs Experimental Design Assistant — Blinding
• NC3Rs Experimental Design Assistant — Experimental Unit
• FDA — Comparison of FDA, EPA, and OECD GLP Provisions
• OECD Test Guideline 471 — Bacterial Reverse Mutation Test
• OECD Test Guideline 408 — Repeated Dose 90-Day Oral Toxicity Study in Rodents, 2025
• EFSA — Guidance on the Assessment of the Biological Relevance of Data in Scientific Assessments
• EPA — Reference Dose: Description and Use in Health Risk Assessments
• OECD — Guidance Document for the Use of Adverse Outcome Pathways in Developing IATA
• EPA — Guidance for Applying Quantitative Data to Develop Data-Derived Extrapolation Factors, September 2014
• IARC Monographs Programme
• EPA ExpoBox — Exposure Assessment Tools by Routes: Ingestion
• Health Canada — Uses of Human Biomonitoring Data in Risk Assessment
• EPA — Benchmark Dose Technical Guidance, June 2012
• EPA — Risk Assessment Guidance for Superfund, Volume I, Part A
• CDC — Clinical Guidance for Carbon Monoxide Poisoning Following Disasters and Severe Weather
• OECD Test Guideline 203 — Fish Acute Toxicity Test, 2025
• OECD Test Guideline 229 — Fish Short Term Reproduction Assay
• NIOSH — Hierarchy of Controls
• EPA ExpoBox — Exposure Reconstruction: Biomonitoring and Reverse Dosimetry
• CDC — Guidance, Examples and Tools for Probability Sampling When Designing a Population-Based Biomonitoring Study
• EPA — Design for the Environment Alternatives Assessments
• OECD — Guidance on Key Considerations for the Identification and Selection of Safer Chemical Alternatives
• British Thoracic Society Guideline for Oxygen Use in Adults in Healthcare and Emergency Settings
• 9789264012837-en.pdf
• CFR-2025-title21-vol1-sec58-33.pdf
• CFR-2025-title21-vol1-part58-subpartJ.pdf
• b254a158-en.pdf