Formetanate hydrochloride, 100 µg/ml, Acetonitril

EPA Method 551.1 Internal Standard

1,1,1-Trichloro-2,2-bis(4-chlorophenyl-d4)ethane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-18-2

Chloride (Cl-)