Any liquid having a flash point below 140°F (60°C) and having an absolute vapor pressure not exceeding 40 lb per sq in. (2.8 kg per sq cm) absolute at 100°F (37.8°C).
Any liquid having a flash point below 140°F (60°C) and having an absolute vapor pressure not exceeding 40 lb per sq in. (2.8 kg per sq cm) absolute at 100°F (37.8°C).