EPA Method 8240A Matrix Spiking Standard

Tetradodecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 14866-34-3

2,4-Dinitrophenol

D5-Acetochlor OA, 100 µg/ml, Acetonitrile, 1ml