EPA Method 8330 - Calibration Mix #1 Back Catalog number: 83525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9188 Safrole Price on request 9386.21-K-ME (±)-trans-11-Nor-9-carboxy-delta-9-THC, 1000µg/ml in MeOH, 1ml Price on request 678394 Diphenylamine, 100 µg/ml, Acetonitrile, 1ml Price on request