2-Pyrrolidinone, 1000mg

2,3',4,4',6-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 56558-17-9

BTEX (10 µg/mL)

Alachlor mercapturate, 50mg