EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12054.14-100-NN Phenanthrene-9,10-13C2,100 µg/mL,n-nonane,1mL Price on request XA13920000AL Formothion, 100µg/ml in Acetonitrile Price on request 677944 Etridiazole, 100mg Price on request