EPA Method 502.1 - Liquids Back Catalog number: 30008 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51118 Trace Nitrogen in High Boiling Solvent Price on request 63112B PCB 112, 1000µg/ml in Isooctane, 10ml Price on request L20870000AL 2-Methylchrysene, 10µg/mL in Acetonitrile, 10ml Price on request