EPA Method 515.1 Underivatized Back Catalog number: 30040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12377900 3,3´-Dichlorobenzidine, 100mg Price on request 676885 Halofuginone lactate, 100 µg/ml, Acetonitrile, 1 Price on request 96856 n-Hydrocarbon Mix C8 - C40 Price on request