1.1 This specification covers a grade of benzene known as Low Toluene Low Dioxane (LTLD) Benzene.1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value or This specification covers the requirements for a grade of benzene known as low toluene low dioxane (LTLD) benzene. Sampled materials shall meet specified values of the following physical and chemical properties: purity; toluene content; sulfur content;