EPA Method 8270A - Analytes Mix #8 Back Catalog number: 11118 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677422 2,4-DB, 10 µg/ml, Acetonitrile, 10ml Price on request 10286.9-10MG 6-Methylindole Price on request 11902.19-K-ME Protriptyline hydrochloride ,1000 µg base/mL,MeOH,1mL, Price on request