EPA Method 515.1 Analytes - Underivatized Back Catalog number: 83596 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677958 Demeton-S-methyl-sulfoxide, 100 µg/ml, Toluene, Price on request 2156.9-K-CY 2-Ethyl-1-methylbenzene (2-ethyltoluene, o-ethyltoluene), 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 611-14-3 Price on request 681951 Quintozene, 100 µg/ml, Cyclohexane, 1ml Price on request