EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680573 2,3,5-Trichloro-6-hydroxybenzoic acid, 100mg Price on request 678058 D10-Simazine, 100 µg/ml, Acetone, 1ml Price on request D460284 Dimethachlor ESA Sodium Salt-d6, 1mg Price on request