EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 92796 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 81421 Phorate Price on request 53007 (TCLP) Standard for ICP Price on request 2540.7-K-ME Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6 Price on request