EPA Method 524.3 - Internal Standard Back Catalog number: 95488 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CA15557000 Nitrobenzene, 250mg Price on request 50597 ICP Mix #2 Price on request 673443 Spiroxamine, 100 µg/ml, Acetonitrile, 5ml Price on request