PCO2 AND CALCULATED VALUES FOR. HCO3, TCO2, BASE EXCESS AND ANION GAP. Art: 714182-00F Rev. Date: 08/27/03. PCO2 is measured by direct potentiometry. In the calculation of results for PCO2, concentration is. re lat ed to potential through the Nernst equation. Results are measured at 37Â°C when using car tridg es. that require thermal control and corrected to 37Â°C when using cartridges that do not require thermal. control.
GETTING A(n) OK DBA VS. INCORPORATING OR FORMING AN LLC. WHAT IS A(n) Oklahoma DBA. A dba Doing Business As is just a business name certificate you are legally required to file - i.e, you need to register your OK business name and obtain a business name certificate, also called a DBA.
Important Reminder! If you are filing an Oklahoma tax amendment, you may need to file a federal tax amendment as well. 2013 Oklahoma Tax Forms Oklahoma tax returns for 2013 cannot be prepared and filed online. Download the tax forms, complete them, print them out, and mail them to the Oklahoma Tax Commission.klahoma Income Tax Filing Deadline. The regular deadline to file an Oklahoma state income tax return is April 15. However, if you efile your return through a tax preparer or an online tax vendor, your due date will be extended to April 20.