TCF

TCF stands for:

Totally chlorine free, completely without chlorine or chlorine compounds bleached pulp or paper, see bleach
Total cash flow, a method of business valuation
Trillion cubic feet, a unit of measurement used in the oil and gas industry to describe volumes of natural gas reserves (referred to the US-English trillion in German trillion (10 ¹ ²) )
T-cell specific transcription factor (T -cell specific transcription factor )

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