EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680442 alpha-HCH, 100 µg/ml, Methanol, 1ml Price on request 2570.24-1MG o-Quarterphenyl, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 641-96-3 Price on request 3613.7-1ML 3-Heptanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-35-4 Price on request