EPA Method 528 Internal Standard Back Catalog number: 93188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 687264 2-Amino-4-methoxy-6-methyl-1,3,5-triazine, 100 μg/ml, Acetonitrile, 5ml Price on request 678142 1,3-Dichlorobenzene, 1000mg Price on request H268700 Heptadecafluorooctanesulfonic Acid Potassium Salt, 500mg Price on request