EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30044 EPA Method 515.1Methyl Derivatives Price on request 3997.9-K-CY Isopropylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 696-29-7 Price on request 9941.27-10MG Cholest-5-en-3ß-ol-d6 , neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92543-08-3 Price on request