Okla. Stat. tit. 47, § 1-119
Any liquid which has a flash point of 70 degrees F., or less, as determined by a tagliabue or equivalent closed-cup test device and having a vapor pressure not exceeding 40 psia at 100 F.
Laws 1961, HB 556, p. 316, § 1-119, eff. September 1, 1961.
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