EPA Method 8330 Analyte Back Catalog number: 79070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11633.20-50MG Cefuroxime axetil,neat,neat,50mg, Price on request 71468 2,2',4,6,6'-Pentamethyl-3-heptene (cis,trans) Price on request 53065 Spiking Standard 2 Price on request