Herbicide Acid Standard Back Catalog number: 93913 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0018.16-200-T Benzo[b]naphtho[2,3-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-42-5 Price on request 80303 EPA Method 8032 Internal Standard Price on request 56040 Zirconium (Zr) Price on request