Aroclor 1221 in Transformer Oil

Carbetamide-d5 (phenyl-d5),100 µg/mL,acetone,1mL,

alpha alpha alpha (20R 24R)-24-Methylcholestane and alpha alpha alpha (24R 24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3/62446-14-4

Formic acid, 1000µg/ml in Water, 1ml