EPA Method 502/524 Surrogate Standard #1 Back Catalog number: 30070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57071 Lutetium (Lu) Price on request 673861 Azoxystrobin (free acid), 10mg Price on request 2129.12-100-IOX5 Arochlor 1260 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5 Price on request