WP - Volatile Aromatics Cal Check

Aroclor 1221

2,3-Diethyl-5-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 5910-89-4

alpha-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml