EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended T015500 Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg Price on request 79061 4-Chlorophenol Price on request 52064 Spiking Standard 1 Price on request