EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33441 n-Tetradecane Price on request 676385 D5-Cypermethrin, 10mg Price on request 71982 1,cis-2,trans-4-Trimethylcyclohexane Price on request