EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2238.18-10MG Zearalenone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17924-92-4 Price on request 3525.4-100-CY Zineb Price on request L12145000AL Demeton-S-methyl sulfoxide, 10µg/mL in Acetonitrile, 1ml Price on request