PCB No. 145, 100µg/ml in Isooctane, 1ml

Glyoxylic acid

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.

84 µS/cm calibration solution (230mL)