EPA Method 515.1 Underivatized Back Catalog number: 30040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674699 Diflubenzuron, 250mg Price on request 678012 Acephate, 100 µg/ml, Toluene, 1ml Price on request 673238 Clothianidin, 10.0 µg/ml, Acetonitrile, 10ml Price on request