EPA Method 525.2 Standard Back Catalog number: 92694 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54596 Oxalic Acid (C2H2O4) Price on request 52050 Interference Standard 3 Price on request 1242.8-10ML n-Octane, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 111-65-9 Price on request