EPA Method 502.2 Internal Standard Back Catalog number: 91703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79782 Fipronil, 1000µg/ml in Acetonitrile, 1ml Price on request 1548.17-K-IO n-Heptadecane-d36, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39756-35-9 Price on request D471435 4,6-Dimethyl-8-tert-butylcoumarin, 1g Price on request