Co 2 -Levels And Guide Lines; Accessories - Wohler CD 210 Mode D'emploi

Wöhler CD 210
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, Refrigerating 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
26 Hotline: +49 2953 73-211
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.
Fax: +49 2953 73-250
Art. N° 6605