What is the Reid vapor pressure of a grade B product?

Correct Answer: Option D — more than 8 1/2 psia but less than 14 psia and a flash point of 72°F

Under 46 CFR Table 30.25-1, flammable and combustible liquids are categorized by flash point and Reid vapor pressure. A Grade B flammable liquid is defined as having a Reid vapor pressure exceeding 8.5 psia but less than 14 psia and a flash point of 80°F or below.