List of oil field acronyms - OilfieldWiki PTA - Pressure Transient Analysis; PTA/S - Pipeline Termination Assembly/Structure; PTE - Principle Technicl Expert (Shell term) PTL - Production Technical Limitâ„¢ (BP Process)/Produce The Limit; PTM - Pedal to Metal; PTSET - Production Test Setter; PTTC - Petroleum Technology Transfer Council, United States; PtW - Permit to Work PDF | Cell (Biology) | Biochemistry - Scribd A manual water pump in China Water. 36 pollution, this does not enter standard accounting of market costs, being conceived as externalities for which the market cannot account. Thus other people pay the price of water pollution, while the private firms' profits are not redistributed to the local population victim of this pollution.