The organic carbon is measured using a Phoenix-Dohrmann 800 Tic/Toc Analyzer. This instrument utilizes persulfate in the presence of ultraviolet light to oxidize the organic carbon to CO2. The CO2 is then measured directly by non-dispersive infrared radiation. Inorganic carbon is removed by sparging with N2 gas prior to analysis.
(See Method Reference No. 53)
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