EPA Method 525.2 - PAH Standard Back Catalog number: 19162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11189.16-100-AN Desmethylmirtazapine hydrochloride,100 µg base/mL,acetonitrile,1mL Price on request 11365.6-100MG N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,100mg, Price on request 682642 Diphenylacetic acid, 1000mg Price on request