EPA Method 525 - Tuning Standard

(2RS)-2-(4-Butylphenyl)propanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3585-49-7

Dibenzothiophene in Xylene 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 S-4054-0-XY S

O,O-Dimethyldithiophosphate-13C2, sodium salt