EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml

Hydrochlorothiazide,1000 µg/mL,MeOH,1mL,

o-Terphenyl-d14, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 5142-76-6

Ethyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Unlabelled 3688-18-4