EPA Method 551.1 Performance Check Soln Back Catalog number: 30104 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8560.9-10MG 4-Nitroquinoline-N-oxide, Comet assay grade, , Solvent-, Unit , # of units-, Cas.no. 56-57-5 Price on request 71068 Phenyl ether Price on request M3PFPEA Perfluoro-n-[3,4,5-13C3]pentanoic acid, 1.2ml x 50ug/ml, methanol Price on request