EPA Method 634 Analytes Back Catalog number: 40050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676429 Atrazine-desethyl-desisopropyl, 100mg Price on request PCN-STK-A PCN Native Stock Solution, 1000ng/ml in Nonane, 1,2ml Price on request 3205.16-K-IO 9-trans-Hexadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10030-73-6 Price on request