PCB Congeners & Hexachlorobenzene Mix #2

Etirazetam-d6, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

EPA Method 507/525 Analytes Mix #2 Rev.1

Nitrapyrin, 10 µg/ml, Ethyl acetate, 10ml