EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-0662-100AN5 Lamotrigine, 100µg/ml in Acetonitrile, 5ml Price on request A16585000AL-100 Pydiflumetofen, 100µg/mL in Acetonitrile, 1ml Price on request 674828 Phenkapton, 5mg Price on request