Method 8430 Calibration Mix Back Catalog number: 82484 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52331 EPA Method 6020/6020A - Mix B Price on request CA14971740 Methacrylic acid-ethyl ester, certified, 1ml Price on request 14728.22-K-AN Δ9-THC Carboxylic Acid A, 1000µg/ml in Acetonitrile, 1ml Price on request