Table of Contents
Advertisement
Model 700 Series -40C ________________________________________________________________________Appendix B
High concentrations of CO
dioxide in any eight-hour shift of a 40-hour work week shall not exceed the eight-hour time weighted average of
5000 PPM (0.5% CO
ide monitors are recommended for confined areas where concentrations of carbon dioxide gas can accumulate.
Store and use liquid CO
As the liquid evaporates, the resulting gas tends to displace the normal air from the area. In closed areas, excessive amounts of
CO
gas reduce the concentration of oxygen and can result in asphyxiation. Because CO
2
cannot be detected by the human senses and will be breathed as if it were air. Breathing an atmosphere that contains less than 18%
oxygen can cause dizziness and quickly result in unconsciousness and death.
Note: The cloudy vapor that appears when liquid CO
ing gas is invisible.
Never dispose of liquid CO
Disposal of liquid CO
evaporate without causing damage. Do not pour the liquid on pavement.
gas can cause asphyxiation! OSHA Standards specify that employee exposure to carbon
2
). The short term exposure limit for 15 minutes or less is 30,000 PPM (3% CO
2
only in a well-ventilated place.
2
in confined areas or places where others may enter.
2
should be done outdoors in a safe place. Pour the liquid slowly on gravel or bare earth where it can
2
Appendix B
Handling Liquid Co
is exposed to the air is condensed moisture; not the gas itself. The issu-
2
B - 1
2
gas is colorless, odorless and tasteless, it
2
). Carbon diox-
2
Advertisement
Table of Contents
