EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52070 Spiking Standard #2 Price on request 3422.11-100-CY Imidan Price on request 8698.10 cis-Nonachlor, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 5103-73-1 Price on request