SmartQHSE/confined-space-atmospheric-action-levels-2026
Canonical landing page: https://www.smartqhse.com/datasets/confined-space-atmospheric-action-levels-2026 Confined Space Atmospheric Action Levels 2026 — Multi-Jurisdiction Confined space atmospheric monitoring thresholds across OSHA 1910.146 (US), HSE UK (INDG258 / EH40 WELs / SCR97), and IOGP Report 415. ~13 parameters: O2 (19.5-23.5%), LEL (<10% acceptable), H2S (IDLH 100 ppm), CO (PEL 50 ppm OSHA), SO2, NO2, NH3, methane, chlorine, HCN, benzene, temperature, noise. Per… See the full description on the dataset page: https://huggingface.co/datasets/SmartQHSE/confined-space-atmospheric-action-levels-2026.
Canonical landing page: https://www.smartqhse.com/datasets/confined-space-atmospheric-action-levels-2026
Confined Space Atmospheric Action Levels 2026 — Multi-Jurisdiction
Confined space atmospheric monitoring thresholds across OSHA 1910.146 (US), HSE UK (INDG258 / EH40 WELs / SCR97), and IOGP Report 415. ~13 parameters: O2 (19.5-23.5%), LEL (<10% acceptable), H2S (IDLH 100 ppm), CO (PEL 50 ppm OSHA), SO2, NO2, NH3, methane, chlorine, HCN, benzene, temperature, noise. Per row: acceptable range, warning threshold, evacuation threshold, all three jurisdiction references, and practical notes.
Dataset details
- Publisher: SmartQHSE Ltd (https://www.smartqhse.com)
- License: CC BY 4.0 -- please cite with link to https://www.smartqhse.com
- Format: CSV (UTF-8)
- Schema: see data.csv first row (header)
- DOI: 10.5281/zenodo.20171693 -- permanent Zenodo citation
- Update cadence: annual or on regulatory change
- Canonical home: https://www.smartqhse.com/datasets
Suggested citation
SmartQHSE Ltd (2026). Confined Space Atmospheric Action Levels 2026 — Multi-Jurisdiction [dataset]. Zenodo. https://doi.org/10.5281/zenodo.20171693
Related SmartQHSE resources
- SmartQHSE platform -- full QHSE software with ARIA AI assistant
- Open datasets catalog
- Companion full-text corpus (LLM-optimised SmartQHSE knowledge base)
Disclaimer
This dataset is published for reference, training, and research. Regulatory text and action levels are summarised; consult the authoritative source listed before basing operational or compliance decisions on this dataset. SmartQHSE Ltd accepts no liability for errors or omissions.