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Rationale for the Development of a List of Regulated Substances Under CEPA Section 200 and their Threshold Quantities

Exhibit 4: Affected Distances for Commercial High Explosives Based on the Scaling Law, Assuming TNT Equivalency of One (Peak Overpressure = 0.4 – 3.0 psi)

Exhibit 4 - Affected Distances for Commercial High Explosives Based on the Scaling Law, Assuming TNT Equivalency of One (Peak Overpressure = 0.4 - 3.0 psi)
Quantity kg (lbs)2.72 kPa
(0.4 psi)
3.40 kPa
(0.5 psi)
6.80 kPa
(1.0 psi)
13.61 kPa
(2.0 psi)
20.41 kPa
(3.0 psi)
Affected Distances for Various Overpressures (metres)
23 (50)9779482922
45 (100)11999613728
114 (250)160134835038
450 (1,000)2512131317961
900 (2,000)32626916510077
2 270 (5,000)431365224136104