EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71549 2,2,5,5-Tetramethyltetrahydrofuran Price on request 673900 1-(2,4-Dichlorophenyl)-2-imidazol-1-yl ethanol, 10 Price on request 50610 Chloride 2.0 µg/mL (Cl-) Price on request