EPA Method 515.1 - Performance Check Solution

Hexachlorobutadiene, 2000µg/ml in MeOH, 1ml

EPA Method 525 Pesticide Standard

Hexamethylcyclotrisiloxane, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 541-05-9