Ethylene Oxide Vapor Monitor (E-50)


SKU: E-50 Category:

Compass Cryogenics Vapor Monitor can be worn as a badge near the breathing zone to measure personal exposure, or placed in a room to measure area concentration.

Occupational safety standards are based on personal exposure monitoring of each employee who may be exposed to the vapor as a regular part of their job. Periodic monitoring of personnel and room concentrations is recommended.

Exposure Limits ACGIH OSHA NIOSH
TWA (ppm) 1 1 <0.1
STEL/CEIL (ppm) N/A 5 5


Sampling Medium: Chemically Activated Carbon Molecular Sieve Adsorbent

Method of Analysis:

Gas Chromatography with Electron Capture Detector

Reference Method:

OSHA Method 50

Recommended Sampling Time:

15 minutes to 8 hours

Minimum Level of Quantitation:

0.1 ppm for 8 hours
0.3 ppm for 15 minutes


Alcohols, aldehydes, and ketones will not interfere.
No interferences are known.

Effect of Temperature:

Less than 10% for each 10 °C variation from 24 °C

Effect of Humidity:

No effects detected at 30% RH to 92% RH.

Overall System Accuracy:

9.2% at 1.0 ppm for 8 hours
13% at 5.0 ppm for 15 minutes

Storage Conditions:

Maximum shelf life one year.
Recommended Holding Time: Two weeks prior to analysis.


There are no reviews yet.

Be the first to review “Ethylene Oxide Vapor Monitor (E-50)”