EPA Method 525 - PCB Standard Back Catalog number: 19063 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9304.15-100-AN 7-Aminoclonazepam-d4, 100µg/mL in Acetonitrile, 1mL Price on request 3196.26-K-IO Ethyl tetracosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24634-95-5 Price on request 3862.34-1G Monolite Violet R, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 5358-30-1 Price on request