EPA Method 8330 Analyte Back Catalog number: 79249 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677604 2-Quinoxalinecarboxylic acid, 100mg Price on request 1308.32-K-IOX5 n-Dotriacontane-d66, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 62369-68-0 Price on request 1805.12-K-IO 2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5 Price on request