EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83526 EPA Method 8330 - Calibration Mix #2 Price on request 673298 Flufenoxuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 674708 PSA-Mix 13 Price on request