EPA Method 8270C - B/N Matrix Spiking Solution

2,6-Dimethyl-4-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2423-71-4

beta-HCH, 10.0 µg/ml, Ethyl acetate, 10ml

Metals Mix