Possible impurities. The systematic name of aspirin is 2-ethanoylhydroxybenzoic acid. We usually make it by the esterification of 2-hydroxybenzoic acid (salicylic acid) using ethanoic anhydride and a catalyst such as concentrated sulphuric acid or phosphoric acid.
TxDMV Â» Motor Carriers Â» Oversize / Overweight Permits. Vehicles and loads that exceed legal size or weight limits need an oversize/overweight (OS/OW) permit and route from the TxDMV to travel on Texas roads.
Regulatory Branch - Joint Permit Application. Download the Joint Permit Application (JPA) This Joint Permit Application is used to apply for permits (i.e. standard/ permits or general permits) from the Norfolk District US Army Corps of Engineers for work in the waters of the United States (including wetlands) within Virginia.