EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19137 EPA Method 507 - Performance Check Solution Price on request 70478 Deet, 1000µg/ml in MeOH, 1ml Price on request 2979.7-100 Aldicarb sulfone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1646-88-4 Price on request