<< Back to Chemical Sampling Information

Chemical Sampling Information (CSI)
Search (use word(s)/phrase)
Table of Contents
By Name
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

By CAS Number
Quick Links
General Description

Synonyms: CO; Diesel Exhaust Component

OSHA IMIS Code Number: 0560

Chemical Abstracts Service (CAS) Registry Number: 630-08-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: FG3500000

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1016 119; 9202 168 (cryogenic liquid)

NIOSH Pocket Guide to Chemical Hazards, Carbon Monoxide: chemical description, physical properties, potentially hazardous incompatibilities, and more

Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: 29 CFR 1910.1000 Z-1 Table -- 50 ppm, 55 mg/m3 TWA

Construction Industry: 29 CFR 1926.55 Appendix A -- 50 ppm, 55 mg/m3 TWA

Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 50 ppm, 55 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 25 ppm, 29 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 35 ppm, 40 mg/m3 TWA; 200 ppm, 229 mg/m3 Ceiling

Health Factors

Potential Symptoms: Headaches; tachypnea; nausea; weakness, dizziness, confusion, halucinations; cyanosis; depressed, ST segment of electrocardiogram; angina; syncope

Health Effects: Asphyxiation, Chemical anoxia

Affected Organs: CVS, lungs, blood, CNS

NIOSH/OSHA/DOE Health Guideline: Carbon Monoxide

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • sampling media: Five Layer Aluminized Gas Sampling Bag (5 Liter)
    maximum volume: 5 Liters
    minimum volume: 2 Liters
    maximum flow rate: 0.05 L/Min (TWA)
    current analytical method: Gas Chromatography; GC/DID
    method reference: OSHA Analytical Method (OSHA ID-210)
    method classification: Fully Validated
    note: Call SLTC's Physical Measurements Team Leader for instructions.
On-Site Sampling Techniques/Methods:
  • device: Electrochemical sensor
    manufacturer: Dräger
    model/type: Model 190 CO Datalogger
    sampling information: up to 8 hours
    upper measurement limit: 999 ppm
    detection limit: 4.1 ppm
    overall uncertainty: 9.6%
    method reference: OSHA On-site Air Method (ID-209)
Wipe Sampling Method: No

Alternate Monitoring Method: Yes, see Carbon Monoxide (by COHb)

** All Trademarks are the property of their respective owners.
Page last updated: 5/20/2005