EPA Method 524 & 624 - Internal Standard Back Catalog number: 19494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA13420000AL Fenamiphos, 100µg/mL in Acetonitrile, 1ml Price on request 13400-0407-100ME5 Bisphenol S, 100µg/ml in MeOH, 5ml Price on request MET-11755B-10MG Dimethenamid OA, 10mg Price on request