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Table 5 Vapour pressure scoring

From: A screening tool to prioritize public health risk associated with accidental or deliberate release of chemicals into the atmosphere

Vapour pressure (kPa @ 20°C) Vapour pressure (mm Hg @ 20°C) Score
gas or pressurized liquid gas or pressurized liquid 6
liquid, vp ≥ 50 liquid, vp ≥ 376 5
liquid, vp ≥ 10, <50 liquid, vp ≥ 75.2, <376 4
liquid/solid, vp ≥ 1, <10 liquid/solid, vp ≥ 7.52, <75.2 3
liquid/solid, vp ≥ 0.1, <1 liquid/solid, vp ≥ 0.752, <7.52 2
liquid/solid, vp <0.1 liquid/solid, vp <0.752 1