Internal/Injection Standards, 1.2ml, toluene Back Catalog number: BFR-ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 675931 D5-Propachlor, 10mg Price on request 22213 EPA Method 8260B Internal Standard Price on request 1627.8-K-ME Ethyl-ß-D-6-glucuronide-d5, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request