Atrazin, 100μg/ml in Acetonitrile, 5ml

EPA Method 8330 Analyte

Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59660-24-1

3-Fluorofluoranthene,100 µg/mL,acetonitrile,1mL,