EPA Method 8141 Standard

Herbicide Acid Standard

Acetaminophene-d4 (Paracetamol-d4), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 64315-36-2

Metazachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 67129-08-2