The ASTM D7951 standard is used for all stated limits in this specification: In order to determine consistency with this specification, 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.
ASTM D7951-2018 Standard Specification for Disproportionated (TDP) Toluene

Step 1: Scope

1.1 This specification includes disproportionated (TDP) toluene.

1.2 The following applies to all stated limits in this specification: In order to determine consistency with this specification, 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 regarded as standard values. No other units of measurement are included in this standard.

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.

1.5 This standard is not intended to address all safety concerns (if any) associated with its use. It is the responsibility of users of this standard to establish appropriate safety, health and environmental practices and to determine the applicability of regulatory restrictions prior to use.

1.6 This 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 WTO Committee on Technical Barriers to Trade (TBT).