EPA Method 515.1 - Performance Check Solution

Piperazine

2,2',3,3',4,4',5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 42740-50-1

Fenthion, 10.0 µg/ml, Acetonitrile, 10ml