EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673333 Isoproturon, 100 µg/ml, Acetonitrile, 5ml Price on request 1537.18-100-T p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-51-0 Price on request 70256 Propachlor, 1000µg/ml in MeOH, 1ml Price on request