EPA Method 8270C - B/N Matrix Spiking Solution

Valproic acid-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87745-17-3

Dimethomorph, 100 µg/ml, Acetonitrile, 5ml

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 13250-98-1