Semi-Volatile Standard Back Catalog number: 94152 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92694 EPA Method 525.2 Standard Price on request 675355 Sulfadimethoxine, 250mg Price on request 679111 Disulfoton-sulfoxide, 10.0 µg/ml, Cyclohexane, 1 Price on request