EPA Method 525 Pesticide Standard Sub Conc Back Catalog number: 98307 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678271 Carbophenothion, 100 µg/ml, Acetonitrile, 5ml Price on request 33154 EPA Method 552.1, 552.2 - Haloacetic Acids Price on request 8998.18-100-ME 17ß-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-28-2 Price on request