EPA Method 524 & 624 - Internal Standard Back Catalog number: 19494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 689556 Acrylamide, 100µg/ml in Acetonitrile, 5ml Price on request 95590 Petroleum Marker Standard Conc Price on request 71830 3,5-Dichloronitrobenzene Price on request