EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4055-25-10IO 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 Price on request 673624 Imazalil, 100 µg/ml, Ethyl acetate, 5ml Price on request 1212.17-200-IO 9-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117043-89-7 Price on request