EPA Method 8260 C-19 Standard Back Catalog number: 93256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678013 Dichlofenthion, 100 µg/ml, Toluene, 1ml Price on request 682967 Surrogate Mix ISO 27065 and ISO 18889, , , 500ml Price on request 72479 n-Octacosane-d58 Price on request