pH 7.0 Standard @ 25°C

4-n-Propylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 645-56-7

Sodium perfluoro-7-methyloctanesulfonate, 1.2ml x 50ug/ml, methanol

PCB No. 118, 100µg/ml in Isooctane, 1ml