EPA Method 500 Series Internal Standard #5 Back Catalog number: 30004 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 15900-3750-100AN5 Pendimethalin, 100µg/ml in Acetonitrile, 5ml Price on request 8776.13-K-ME Phenylparaben, see "Parabens", 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17696-62-7 Price on request 675764 Iodofenphos, 100 µg/ml, Ethyl acetate, 5ml Price on request