Herbicide Acid Standard

2,3,3',4,4',5-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 38380-08-4

Tris(1,3-Dichloroisopropyl) phosphate

Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml