WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82482 EPA Method 8260A Additional Analytes Price on request 685002 3,3'-Thiodipropionic acid didodecyl ester, 250mg Price on request 11228.20-K-ME Amlodipine, 1000µg/ml in MeOH, 1ml Price on request