Hazard Zones (Inhalation Hazard Zones)
Hazard Zones (Inhalation Hazard Zones) : HAZARD ZONE A: Gases: LC50 of less than or equal to 200 ppm, Liquids: V equal to or greater than 500 LC50 and LC50 less than or equal to 200 ppm, HAZARD ZONE B: Gases: LC50 greater than 200 ppm and less than or equal to 1000 ppm, Liquids: V equal to or greater than 10 LC50; LC50 less than or equal to 1000 ppm and criteria for Hazard Zone A are not met. HAZARD ZONE C: LC50 greater than 1000 ppm and less than or equal to 3000 ppm, HAZARD ZONE D: LC50 greater than 3000 ppm and less than or equal to 5000 ppm.
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