EPA Method 550 Analytes Back Catalog number: 31051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71233 Octachlorostyrene, 1000µg/ml in MeChl, 1ml Price on request 50684 Custom Metals Standard Price on request 2340.10-K-HX 1,4-Dimethyl-2-ethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 1758-88-9 Price on request