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Technical Booklet K Ventilation·Page 59·(e)

Occupational carbon monoxide exposure limits

Specifies the maximum exposure level for carbon monoxide in occupational settings over an 8-hour averaging time.

ventilationair-qualityoccupational
exposure to the following levels of carbon monoxide for occupational exposure should not be exceeded – 35 mg/m3 (30 ppm) – 8 hours averaging time (HSE, 2003).

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