As of February 28th, 2023, NLM will discontinue the Wireless Information System for Emergency Responders (WISER), the website (https://wiser.nlm.nih.gov) and WebWISER (https://webwiser.nlm.nih.gov), and the standalone applications for Windows PCs, iOS app, and Android app.
Other sources of Hazmat or Chemical, Biological, Radiological, Nuclear (CBRN) information are available with the following resources:
- CHEMM (Chemical Hazards Emergency Medical Management) - HHS ASPR
- REMM (Radiation Emergency Medical Management) - HHS ASPR
- ERG2020 (Emergency Response Guidebook) - USDOT/PHMSA [search for ERG2020 in the App Stores]
- CAMEO Chemicals - NOAA/EPA
- NIOSH Pocket Guide to Chemical Hazards - CDC/NIOSH [search for NIOSH Mobile Pocket Guide in the App Stores]
- Agency for Toxic Substances and Disease Registry (ATSDR) website - CDC/ATSDR
- DHS's Hazardous Materials Release website - DHS
- PubChem - NIH/NLM
- The National Library of Medicine Data Distribution (data files for HSDB, ChemIDplus, etc.) - NIH/NLM
If you have questions or suggestions, please contact NLM Customer Service (https://support.nlm.nih.gov/support/create-case).
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Acetone
CAS RN:
67-64-1
OSHA StandardsPermissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 1000 ppm (2400 mg/cu m). Vacated 1989 OSHA PEL TWA 750 ppm (1800 mg/cu m); STEL 1000 ppm (2400 mg/cu m) is still enforced in some states. |