System Performance Standard, in Heptane, 1x5ml

2,2’,4,5,5’-Pentachlorobiphenyl (101)

Benzophenone-d10, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22583-75-1

Sulfameter, 100 µg/ml, Methanol, 1ml