The ASTM D7185 standard applies to all stated limits in this standard: In order to determine consistency with this standard, observed or calculated values should be “rounded” to “nearest unit” in the last right-handed number used when expressing the specification in accordance with the rounding method of practice E29.
abstraction

The specification covers requirements for benzene grades known as low toluene low dioxane (LTLD) benzene. The sampled material shall conform to the specified values of the following physical and chemical properties: purity; Toluene content; Sulfur content; Thiophene content; Non-aromatic content; Nitrogen content; Pickling color; Color of the Pt-Co scale; 1,4 dioxane content; Water-free freezing point; Water content; And total chloride.

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ASTM D7185-2017 Standard Specification for Low Toluene and Low Dioxane (LTLD) Benzene

Step 1: Scope

1.1 This specification includes benzene grades known as low toluene low dioxane (LTLD) benzene.

1.2 The following applies to all specified limits in this standard: In order to determine consistency with this standard, observed or calculated values should be “rounded” to “nearest unit” in the last right-handed digit used in the expression of the specification in accordance with the rounding method of Practice E29.

1.3 Values expressed in SI units shall be considered standard. The values given in parentheses are for reference only.

1.4 Please refer to the current OSHA regulations, the supplier’s safety data sheet, and local regulations for all materials used in this specification.

ASTM D7185-2017 Standard Specification for Low Toluene and Low Dioxane (LTLD) Benzene

1.5 The international standard is based on internationally recognized standardization principles established in the “Decision on Principles for the Development of International Standards, Guidelines and Recommendations” issued by the Committee on Technical Barriers to Trade (TBT) of the World Trade Organization.