Dichlofenthion, 100 µg/ml, Toluene, 1ml Back Catalog number: 678013 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 23013 EPA Method 8260 - Purgeable Internal Standard Price on request 674571 Swep, 10.0 µg/ml, Acetonitrile, 10ml Price on request 79294 Endosulfan I Price on request