EPA Method 1666 Standard #1 Back Catalog number: 82449 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674448 Anthraquinone, 100 µg/ml, Acetonitrile, 5ml Price on request 0978.10-10MG Naphthalene-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1146-65-2 Price on request 684841 MCPA, 10.0 µg/ml, Acetonitrile, 10ml Price on request