EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15712000 4-n-Octylphenol, certified, 0.25g Price on request 79235 Cypermethrin Price on request 680026 D6-Omethoate, 100 µg/ml, Acetone, 1ml Price on request