Co -Levels And Guide Lines; Accessories - Wohler CD 210 Mode D'emploi

10. CO -levels and guide lines
2
Germany, Japan, Australien, UK: 5000 ppm
8 hours weighted average in occupational exposure limit is 5.000 ppm
NIOSH recommendations
250 – 350 ppm: normal outdoor ambient concentrations
1000 ppm:
ASHRAE Standard 62-1989 (American Society of Heating, Refrigerat-
ing and Air-Conditioning Engineers):
CO -concentration in occupied buildings should not exceed 1000 ppm
2
OSHA (Occupational Safety and Health Administration): 5000 ppm
Time weighted average over five 8-hour work days should not exceed
5000 ppm.

11. Accessories

Calibration Salt
e-Mail: mgkg@woehler.de
indicates inadequate ventilation; complaints such as
headaches, fatigue and eye/throat irritation will be more
widespread. 100 ppm should be used as an upper limit for
indoor levels.
Wöhler CD 210
Art. N° 6605
http://mgkg.woehler.de
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