EPA Method 548.1 Internal Standard

Hydroxy Atrazine-d5, 1mg

Tetramethylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 64-20-0

3-Methylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 832-71-3