EPA Method 551.1 Internal Standard Back Catalog number: 32103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11030.10-100-CY Tolylfluanide-d7 (71.2%),100 µg/mL,isooctane,1mL, Price on request 673840 Uniconazole, 25mg Price on request 70720 Isoproturon, 1000µg/ml in MeOH, 1ml Price on request