EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2890.2-2K-ME Vinyl chloride, 2000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 75-01-4 Price on request 9826.X-K-IO Chlorinated paraffins (Cl:40%), technical mix,1000 µg/mL,isooctane,1mL Price on request 72421 Ethyl butyrate Price on request