EPA Method 8270C Pesticide Mix #25 Back Catalog number: 82723 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678948 Fipronil-desulfinyl, 100 µg/ml, Acetonitrile, 1m Price on request 50628 Nitrite (NO2-) as N Price on request 10412.4-10MG Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request