EPA Method 548 Analyte Back Catalog number: 30147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11982.27-K-ME Difluprednate,1000 µg/mL,MeOH,1mL, Price on request 92712 BTEX Standard Price on request 677571 Rotenone, 10 µg/ml, Methanol, 10ml Price on request