EPA Method 8315 Calibration Mix #1 Back Catalog number: 83509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59338 pH 10.0 Standard @ 25°C, in water, 100ml Price on request 682098 Bithionol, 250mg Price on request 680323 3-Hydroxy-Imidacloprid, 100 µg/ml, Acetonitrile, Price on request