EPA Method 353.2 Nitrate + Nitrite Back Catalog number: 53120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20016 CLP Semi-Volatile Base/Neutral Surrogate Standard Price on request S-4055-25-IOX5 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 1454.16-100MG 4-tert-Butyl-2,6-diisopropylphenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 57354-65-1 Price on request