CONTACT & CORRECTIONS

Let’s make the tools clearer.

Report a calculation issue, share feedback or suggest a resource you would find useful.

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Reporting an issue?

Include the tool name or page link, the input values and units, the result you expected, and the source or method you used to check it. Use fictional or anonymised values; do not send personal incident records.

Start a correction email ↗

Suggesting a new tool?

Tell us what task it should help with, who would use it, the relevant country or jurisdiction, and any original source or equipment method it needs to follow.

For an urgent site safety concern

Use your site’s reporting and emergency arrangements and speak to the responsible safety professional. This project does not provide emergency response or site-specific approval.