EPA Method 515.1 Analytes - Underivatized

(2S)-Iopamidol-d8 (di-N-hydroxyisopropyl-d4),100 µg/mL,MeOH,1mL,

Pyridaben-d13 (4-tert-butyl-d9-benzyl-2,3,5,6-d4),100 µg/mL,acetonitrile,1mL,

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K