Accurate, Cost-Effective Chemical Analysis and Monitoring

Advanced Chemical Sensors, Inc.
Technical Information Sheet

Sulfur Dioxide Vapor Monitor
Catalog No. SD-10


ACS 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)   5 2
STEL/CEIL (ppm) 0.25   5

Sampling Medium: Inpregnated Activated Carbon
Method of Analysis: Measurement of sulfate by ion chromatography
Reference Method: OSHA Method ID-200
Recommended Sampling Time: 15 minutes to 8 hours
Minimum Level of Quantitation: 0.05 ppm for 8 hours
1.7 ppm for 15 minutes.
Interferences: Sulfur trioxide
Effect of Temperature: Less then 10% for each 10 deg C variation from 24 deg C
Effect of Humidity: No effects detected at 30% RH to 92% RH.
Overall System Accuracy: Better than +/- 15% at 2 ppm for 8 hours
Storage Conditions: Maximum shelf life one year.
Recommended Holding Time: Two weeks prior to analysis.
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