Vardenafil hydrochloride trihydrate, 100mg

2,2',3,4,4',6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO

EPA Method 8310 Surrogate Standard