EPA Method 642 - Analytes Back Catalog number: 40057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678096 Mecarbam, 100 µg/ml, Acetonitrile, 1ml Price on request 679375 Chlorpyrifos-methyl, 10.0 µg/ml, Cyclohexane, 10 Price on request 0453.3-150-CYX5 GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. Price on request