EPA Method 552 Internal Standard Back Catalog number: 30055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8494.0-100MG Potassium bromate, Comet assay grade, , Solvent-, Unit , # of units-, Cas.no. 7758-01-2 Price on request 71084 Dicyclohexylamine Price on request C12197600 2,4-Diaminotoluene, 250mg Price on request