EPA Method 1666Labeled Standard Back Catalog number: 82491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-1465-100AN5 Ofloxacin, 100µg/ml in Acetonitrile, 5ml Price on request 97388 VOC Standard Price on request 95053 EPA Method 527 Surrogate Standard Price on request