TPA

TPA may refer to:


 * Third-Party Audit, an Audit performed by a specialized & independent Organization
 * TaxPayers' Alliance, a British free-market lobby group
 * Tempe Preparatory Academy, a preparatory secondary school in Arizona, USA
 * Terminal Puente Aéreo, an semi-private airport in Bogotá, owned by Avianca.
 * Thickened pyrophoric agent, an incendiary weapon
 * Third-party access, a competition principle regarding natural resources
 * Third party administrator, financial transaction administrator that handles retirement plans, health insurance, self insurance
 * Tonnes per annum
 * Tons per acre, wine grape production term for estimating yield
 * TPA Flight 028, the second album by Canadian indie rock group Tristan Psionic
 * TPA Tour, a temporary name for the primary professional golf tour in the U.S. in the early 1980s
 * Trade Practices Act 1974, an Australian antitrust and consumer protection legislation.
 * Trade Promotion Authority, also known as Fast track, linked with the U.S. Trade Promotion Authority Act of 2002
 * Transboundary Protected Area, a protected area that spans across boundaries of multiple countries
 * Transient Program Area, the region of memory available for CP/M machines.
 * TUXIS Parliament of Alberta, a youth parliament for 15-20 year olds in the province of Alberta
 * Teacher Performance Assessment, an instrument for states and programs that wish to improve the consistency with which teacher licensure and accreditation decisions are made.
 * TPA. A group of friends associated with the town of Tring in Hertfordshire during the 1970's. Officially known as 'Tring Piss Artists. Annual tours around the country took place with the sole purpose of drinking as much alcohol as possible.

Science and medicine

 * Texas Pharmacy Association, the voice of pharmacy and pharmacists in Texas
 * Tissue plasminogen activator (tPA), a fibrinolytic enzyme in biochemistry and medicine
 * Toronto Paramedic Association, a group of paramedics based in Toronto
 * Transpalatal arch, an orthodontic device
 * Two-photon absorption

Chemistry

 * Terephthalic acid, an aromatic acid and monomer for Aramid
 * Tissue plasminogen activator (tPA), a fibrinolytic enzyme in biochemistry and medicine
 * TPA-023, 7-(1,1-Dimethylethyl)-6-(2-ethyl-2H-1,2,4-triazol-3-ylmethoxy)-3-(2-fluorophenyl)-1,2,4-triazolo[4,3-b]pyridazine, an experimental anxiolytic drug
 * 12-O-tetradecanoylphorbol-13-acetate (Tetradecanoylphorbol Acetate), a tumor promoter employed in biomedical research
 * Tris(2-pyridylmethyl)amine

Management Systems Certification, Product Certification, Personnel Certification

 * | Third-Party Audit or | Third-Party Certification, is an Audit performed by an independent Certification or Registration Body, accredited for a standard (usually an ISO | Standard) against which the Audit is performed, with the aim to demonstrate with objective proofs, that the | Management System, Product or Person which was Audited, is adequate with the requirements of specified standard and can be therefore Certified.

Computing

 * t rans p arency a dapter, part of an image scanner

Television

 * Televisão Pública de Angola, the state-owned TV station in Angola (initials in Portuguese)
 * Television Programs of America, a television production company of the 1950s

Transport

 * Tampa International Airport (IATA code)
 * Tanzania Ports Authority
 * Toronto Parking Authority, a corporation owned by the City of Toronto that operates municipal parking lot
 * Toronto Port Authority, a Canadian agency that manages port operations
 * Traffic Pattern Altitude, an altitude on which airfield traffic pattern is flown

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