EPA Method 524.2 - Additional Analytes Back Catalog number: 34052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70422 1-Nitrosopiperidine Price on request 0932.14-500-IO 1,2-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-14-3 Price on request P190502-1MG Papaverine-d3 Hydrochloride, 1mg Price on request