EPA Method 507 - Performance Check Solution Back Catalog number: 19137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676297 Fluxapyroxad, 100 µg/ml, Acetonitrile, 1ml Price on request 70084 2-Chlorophenol-d4 Price on request S-4025-ASS-IO CPI (1) Control Standard 1 Isooctane solutions S-4025 (mg/mL) S-4026 (mg/mL) S-4027 (mg/mL) C22 1.0 1.0 1.0 C23 0.9 1.0 1.1 C24 0.8 Price on request