EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685273 Triflumizole, 100 µg/ml, Cyclohexane, 5ml Price on request 680084 1,6-Diaminohexane, 250mg Price on request 72856 Acetochlor OA, 1000µg/ml in MeOH, 1ml Price on request