EPA Method 515.1 Internal Standard Back Catalog number: 31023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AC-SE30-030 Ethanol in serum control EtOH SE (3.0g/L), 10x3ml Price on request 19407 TCLP - Base/Neutrals Price on request 1530.13-K-IOX10 Fluorene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 81103-79-9 Price on request