EPA Method 502.2 Internal Standard Back Catalog number: 91703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1095.9-K-IO 2-Methylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4265-25-2 Price on request 92339 Pesticide Mix B Price on request 70039 beta-BHC Price on request