EPA Consent Decree - Internal Standard Back Catalog number: 43106 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677604 2-Quinoxalinecarboxylic acid, 100mg Price on request 91553 Naphthalene-d8 Price on request 675167 Ethidimuron, 10 µg/ml, Acetonitrile, 10ml Price on request