Acetophenone shows up in more workplaces than many people expect. It’s used as a flavoring agent in food production, as a solvent and intermediate in pharmaceutical synthesis, in polymer chemistry, and in ink and resin manufacturing. Despite its pleasant, sweet odor, it’s not a substance to take lightly. Ontario’s 2026 Occupational Exposure Limit (MOL OEL) sets acetophenone at 10 ppm, a relatively conservative limit that reflects its narcotic effects at high concentrations and its potential to irritate skin and eyes.
For anyone tasked with exposure assessment, OSHA Method PV2003 remains one of the few published sampling approaches specifically evaluated for acetophenone.
Sampling Overview (OSHA PV2003)
OSHA PV2003 relies on Tenax GC sorbent tubes, not charcoal. Early testing showed that charcoal tubes produced poor recovery—only 68% using the best desorbing solvent—leading OSHA to recommend Tenax instead. As the method notes:
“Charcoal tubes should not be recommended for the collection of acetophenone air samples.”
“The Tenax GC tubes were tried for acetophenone, and appeared to be a suitable method of collection.”
Recommended Sampling Parameters
- Sampling media: Tenax GC tubes (30 mg front section / 15 mg backup)
- Sampling rate: 0.1 L/min
- Sampling duration: 120 minutes
- Total air volume: 12 L
Support from LCS Laboratory
LCS Laboratory works with industrial hygienists and HSE teams across Canada and the U.S. to support exposure assessments involving acetophenone and other organic vapors. We provide:
- Air sampling equipment (calibrated pumps, flow controllers)
- Tenax GC sampling tubes
- Laboratory analysis by GC/FID following OSHA PV2003 principles
- Air sampling training, if your team needs a refresher or onboarding support
If you’re planning an exposure assessment or need help selecting the right sampling approach, you’re welcome to contact LCS Laboratory to discuss your project or any laboratory testing needs.
