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Ppm smoke - PowerPoint PPT Presentation

Ventilation Map

Entry 1. Entry 2. Entry 3. Jim Swan. N. N. 30-inch v ent hole (smoke rising). phone. D. D. Smoke O2 = 18 % CO = 1400 ppm NO2 = 20 ppm. Temporary stopping. Smoke O2 = 19 % CO = 600 ppm NO2 = 15 ppm. Smoke O2 = 20 % CO = 200 ppm NO2 = 1 0 ppm. Pump ( OFF ). Water over

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Ppm smoke - PowerPoint PPT Presentation

Ventilation Map