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.
A storm water only permit is an NPDES permit authorizing the discharge of only storm water and any allowable non-storm water as defined in the permit. Additional fees for individual storm water permits and for General Permits 1, 2, and 3 are specified in Chapter 64 of the Iowa Administrative Code.