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Cell growth, TOC consumption, and transient nitrite accumulation profiles obtained in experiments performed with the low-TOC medium containing different initial nitrate concentrations. Symbols: ●, 3.3 g of NO3−-N per liter; ■, 1.3 g of NO3−-N per liter; ▴, 0.7 g of NO3−-N per liter; ◊, 0.35 g of NO3−-N per liter.
