EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15200300 Metribuzin-desamino, certified, 5mg Price on request 680848 2-Hydroxymethyl-4-chlorophenoxyacetic acid lithium Price on request 1526.24-K-DC Coronene-d12, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 16083-32-2 Price on request