1.1 This specification covers high purity p-Xylene.1.2 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be round This specification establishes the requirements for p-Xylene. Sampled specimens shall conform to the following physical and chemical properties: minimum purity; maximum m-Xylene content; maximum o-Xylene content; maximum sulfur content; maximum toluene