GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L16570000IO Prothoate, 10 ng/µl, 10ml Price on request BB-10 2,6-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 38173 WS Herbicide Acid Mix #2 Price on request