EPA Method 8270C Pesticide Mix #24 Back Catalog number: 91004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681778 O,O-Diethyl thiophosphate potassium salt, 250mg Price on request 9919.12-100-ME 1-Dodecene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 112-41-4 Price on request 53081 Instrument Standard 5 Price on request