EPA Method 8270C - B/N Matrix Spiking Solution

2,4-Dichlorobenzonitrile, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6574-98-7

Aldrin, 10 ng/µl, 10ml

2,2',3,5,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,