Method 525.2 Solution A

COD Calibration Standard

Nickel meso-tetraphenylporphyrine, , Solvent-, Unit , # of units-, Cas.no.

2,6-Dimethylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 877-43-0