EPA Method 548 Analyte Back Catalog number: 30147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3375.9-100-AN Dichlorprop Price on request 81203 EPA Method 8121 Internal Standard Price on request 673448 Terbuthylazine, 10.0 µg/ml, Acetonitrile, 10ml Price on request