2,4-Dicofol, 10.0 µg/ml, Isooctane, 1ml Back Catalog number: 681698 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19267 EPA Method 502/524 Surrogate Standard #2 Price on request 50004 Wisconsin DNR DRO n-Hydrocarbon Standard Price on request 32295 Chloropicrin Price on request