Cumyluron, 100 µg/ml, Acetonitrile, 1ml

PCB Mix 10 ppb

Nitrate (NO3-) as N, 100µg/ml in Water, 100ml

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.