Decision Log Explained: 4 Fields That Keep Safety Decisions Traceable
A safety decision log turns material risk choices into inspectable evidence by recording the question, facts, authority, action, and review trigger.

Key takeaways
- 01A decision log records why a material safety choice was made, not every conversation around it.
- 02The core fields are the decision question, evidence and assumptions, authority and owner, and review trigger.
- 03Decision logs complement risk registers because they preserve management reasoning when exposure or conditions change.
- 04Use the log for high-consequence, temporary, or escalated decisions that another shift or reviewer may need to understand.
- 05Andreza Araujo's practical test is simple: if the decision cannot be explained to the next shift, the record is incomplete.
A risk register can show what an operation knows about exposure, yet it does not always show why a leader chose one action over another. A decision log fills that gap by preserving the reasoning behind a safety decision while the facts, controls, and operating conditions are still fresh.
For EHS managers and operational leaders, the useful question is not whether the team recorded a meeting. It is whether another person can understand the decision, its authority, and the trigger that would reopen it.
A safety decision log is a dated record of a material risk decision that identifies the issue, the evidence considered, the person with decision authority, the action agreed, and the condition that requires review or escalation.
Definition
A decision log records a choice, not every conversation around it. It belongs beside the risk register, control register, permit, or change review when a decision could affect exposure, critical controls, production continuity, or escalation.
The record should remain factual and specific. “The team agreed to monitor the task” is too vague because it does not state what will be monitored, who owns the response, or when monitoring is no longer enough. A useful entry names the condition and the next decision point.
In The Illusion of Compliance, Andreza Araujo’s central warning is that paperwork can look complete while the operating reality remains untested. A decision log helps close that gap when it points to field evidence rather than merely repeating a procedure.
Four fields that make a decision log useful
1. The decision question
Write the question that required judgment, such as whether work could continue after a critical control was found degraded. A clear question prevents the record from becoming a general meeting note.
2. The evidence and assumptions
List the inspection result, risk assessment, operating limit, worker concern, or change information that shaped the decision. Separate confirmed evidence from assumptions because an assumption may become the review trigger.
3. The decision authority and owner
Name the person who had authority to accept, reject, pause, or escalate the exposure. Record the action owner separately when execution belongs to another role. This distinction keeps responsibility visible when the decision crosses EHS, operations, maintenance, or procurement.
4. The review trigger
State when the decision must be revisited. Triggers can include a scope change, control failure, weather change, staffing change, incident, near miss, or a fixed expiry date. Without a trigger, temporary acceptance can quietly become routine.
Decision log versus risk register
A risk register describes identified risks, controls, owners, and status across an operation. A decision log explains a specific management choice and the reasoning that supported it. The two records work together, although neither replaces field verification.
The distinction matters when a risk changes faster than the formal register. The comparison of a risk register, control register, and decision log shows where each record is strongest and where drift can remain hidden.
How to use it in practice
Start with decisions that affect serious exposure, temporary controls, production pressure, or escalation authority. Keep the entry short enough to complete during the review, then attach the evidence that another reviewer would need.
Andreza Araujo’s work across more than 250 cultural transformation projects supports a practical test. If a leader cannot explain the decision to the next shift, the record is incomplete. If the decision would be difficult to defend after an incident, the evidence and authority fields need another review.
Andreza Araujo also describes safety leadership as a practice of making risk visible before the organization is forced to learn through harm. A decision log is one small management tool for that discipline because it turns invisible judgment into inspectable evidence.
FAQ
What is the main purpose of a safety decision log? Its purpose is to preserve the reasoning, authority, evidence, action, and review trigger behind a material safety decision.
Who should maintain the log? The function that owns the decision process should maintain it, while EHS can set quality expectations and review whether the evidence supports the stated decision.
How often should decision logs be reviewed? Review them when a stated trigger occurs and during the normal risk-governance cadence. High-consequence or temporary decisions should not remain open without an owner and expiry or review date.
Frequently asked questions
What is the main purpose of a safety decision log?
Who should maintain the log?
How often should decision logs be reviewed?
About the author
Andreza Araújo
Safety Culture Expert | Senior EHS Executive
Andreza Araújo is a safety culture expert and senior EHS executive with more than 25 years of experience in environment, health and safety. She is a Civil Engineer and Occupational Safety Engineer from Unicamp, holds a Master's degree in Environmental Diplomacy from the University of Geneva, and completed sustainability studies at IMD Switzerland. Andreza has served in Global Head of EHS roles in Fortune 500 environments, leading cultural transformation programs across multinational operations. She has represented Brazil as a speaker at the United Nations in Paris and has spoken at the International Labour Organization in Turin. She is the author of more than 16 books on safety culture in Portuguese, Spanish, English and German. Her work has earned more than 10 EHS awards, including two recognitions from Indra Nooyi, former PepsiCo CEO.
- Civil & Safety Engineer (Unicamp)
- M.A. Environmental Diplomacy (University of Geneva)
- Sustainability Cert (IMD Switzerland)
- People Management & Coaching (Ohio University)
- UN Paris speaker representative for Brazil
- ILO Turin speaker
- LinkedIn Top Voice
- Indra Nooyi PepsiCo CEO recognition (2x)
Documentaries
Watch Andreza's documentaries
Three productions on safety culture, organizational failure and the human lessons behind major disasters.
Podcasts
Listen to Andreza's podcasts
She hosts three shows on safety leadership, EHS and organizational culture, in English and Portuguese.