Confined Space Entry Permit Atmospheric Testing Log
Mandatory pre-entry permit used to document atmospheric testing results, hazard controls, and authorization before any confined space entry. Complies with WorkSafeBC OHS Regulation Part 9 and OSHA 29 CFR 1910.146.
This Confined Space Entry Permit & Atmospheric Testing Log is a controlled document used to verify that the atmosphere inside a confined space is safe for entry. It requires calibrated gas detection equipment to measure oxygen concentration, flammable gas (LEL), hydrogen sulfide (H2S), and carbon monoxide (CO). The permit must be completed prior to each entry and retained for the duration of the work. All entries must be signed off by a competent supervisor.
- Confirm lockout/tagout of all energy sources, mechanical isolation, and line breaking.
- Continuous forced air ventilation in place and verified before and during entry.
- Trained standby person assigned, with retrieval equipment and communication system.
- Gas monitor calibrated within 30 days and bump-tested before use.
- Required PPE: hard hat, safety glasses, gloves, steel-toed boots; additional based on hazards.
Atmospheric Testing & Compliance Matrix
| Status (P/F) | Checklist Item / Hazard | Compliance Standard | Action Required / Notes |
|---|---|---|---|
| [ ] Pass [ ] Fail | Oxygen concentration (O₂) | 19.5% – 23.5% | _________________ |
| [ ] Pass [ ] Fail | Flammable gas (% LEL) | < 10% of Lower Explosive Limit | _________________ |
| [ ] Pass [ ] Fail | Hydrogen sulfide (H₂S) | < 10 ppm | _________________ |
| [ ] Pass [ ] Fail | Carbon monoxide (CO) | < 35 ppm | _________________ |
| [ ] Pass [ ] Fail | Volatile organic compounds (VOC) if applicable | < 50 ppm (or PEL per SDS) | _________________ |
| [ ] Pass [ ] Fail | Ventilation operating and flow direction verified | Positive airflow away from entrants | _________________ |
| [ ] Pass [ ] Fail | Continuous monitoring equipment in place | Unit with datalogging and alarms | _________________ |
Corrective Action Log (Any Failures)
| Date / Time | Item # | Safety Issue Identified | Corrective Action Taken | Assigned To |
|---|---|---|---|---|
| ___/___/_____ | _______ | _______________________________ | _______________________________ | _______ |
| ___/___/_____ | _______ | _______________________________ | _______________________________ | _______ |
| ___/___/_____ | _______ | _______________________________ | _______________________________ | _______ |
By signing below, the supervisor or designated competent person verifies that all safety checks, atmospheric tests, and compliance audits have been completed according to internal policy and local occupational health laws. Entry is permitted only if all checkboxes are marked PASS.