Metals Calibration Standard Back Catalog number: 50071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79051 2,4’-DDD, 1000µg/ml in Hexane, 1ml Price on request 38185 RCRA Soil Kit Price on request 70041 gamma-BHC, 1000μg/ml in MeOH, 1ml Price on request