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 71908 3,4-Dichlorobenzotrifluoride Price on request 674523 PSA-GCB-Mix for 2007.01 per AOAC Price on request S-4525-K-ME Organotin Mix 6, 1000µg/ml in MeOH, 1ml Price on request