EPA Method 500 Internal Standard #6 Back Catalog number: 30169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AC-SE40-030 Ethanol in serum control EtOH SE (4.0g/L), 10x3ml Price on request 55131 CWA Anions Price on request 1498.12-K-IO 3-Methylundecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1002-43-3 Price on request