File:Fse-habers-rule-v3.svg

Fse-habers-rule-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 15 KB)

Summary

Time to incapacitation by carbon monoxide at rest, during light work and during heavy work, calculated with the Stewart equation. Based on Purser (2002), p. 2-102.

Original illustration for Haber's rule, level 4 Expert.

Source basis: Purser (2002), p. 2-102 (Equation 6; breathing rates and COHb levels of Figure 2-6.14). Calculated values, not read from Figure 2-6.14.
Alt text: Chart of time to incapacitation against carbon monoxide concentration for rest, light work and heavy work; heavier work gives much shorter times.

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New drawing by Fire Safety Academy. © Fire Safety Academy.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:24, 2 November 2026		900 × 600 (15 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Haber's rule

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Short title	Time to incapacitation by carbon monoxide at rest, during light work and during heavy work, calculated with the Stewart equation. Based on Purser (2002), p. 2-102.
Image title	Chart of time to incapacitation against carbon monoxide concentration for rest, light work and heavy work; heavier work gives much shorter times. Source basis: Purser (2002), p. 2-102 (Equation 6; breathing rates and COHb levels of Figure 2-6.14). Calculated values, not read from Figure 2-6.14.
Width	900
Height	600