EPA Method 634 Analytes Back Catalog number: 40050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8581.6-100MG Perfluorohexane sulfonic acid, potassium salt,neat,neat,100mg, Price on request 11195.18-K-ME Triflupromazine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request MBP-118 2,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request