EPA Method 8270C - B/N Matrix Spiking Solution

Fenthion-oxon-sulfone, 100 µg/ml, Acetonitrile,

2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4

Semi-Volatile Standard