EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H945870-10MG 5-(Hydroxymethyl)cytosine, 10mg Price on request 12074.14-250MG Flumequine,neat,neat,250mg, Price on request 21006 Base/Neutrals Surrogate Standard Price on request