EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 688005 Maltotetraose, 10mg Price on request 2124.12-100-IOX10 Arochlor 1016 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 12674-11-2 Price on request 678466 Paraoxon-ethyl, 10 µg/ml, Acetonitrile, 10ml Price on request