EPA Method 8032 Internal Standard Back Catalog number: 80303 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675463 Nalidixic acid, 100mg Price on request 94123 EPA Method 8310 Surrogate Standard Price on request 2472.6-K-IP 2,6-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 608-33-3 Price on request