EPA Method 200.8 Calibration Standard 2 Back Catalog number: 53334 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3784.5-K-IO 2-Methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 3149-28-8 Price on request 10557.16-1G Indigo dye Price on request 679464 Atrazine, 100 µg/ml, Methanol, 1ml Price on request