EPA Method 551 Analytes Back Catalog number: 32095 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11195.18-K-ME Triflupromazine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request PTBX 2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene Price on request 676882 Praziquantel, 250mg Price on request