EPA Method 8330 Analyte Back Catalog number: 79241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9223.5-100MG Allopurinol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 315-30-0 Price on request 673441 Simazine, 100 µg/ml, Acetonitrile, 5ml Price on request EPA-513CSSA Cleanup Standard Spiking Solution, 1.2ml, nonane Price on request