1382 ppm TDS solution (230mL)

Naphthalene, 10 µg/ml, Cyclohexane, 10ml

2,2',3,4',5,5',6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-68-0

Recuperation Standard