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

4-Nitrophenol, 100 µg/ml, Methanol, 5ml

N-ethylperfluoro-1-octanesulfonamidoacetic acid, 1.2ml x 50ug/ml, methanol

EPA Method 8080 - Surrogate Standard