EPA Method 8315 Calibration Mix #1 Back Catalog number: 83509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCB-SS-A Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane Price on request 677859 Pesticide-Mix 134, 10.0 µg/ml, Acetonitrile, 10m Price on request 679726 Phorate-sulfone, 100 µg/ml, Cyclohexane, 1ml Price on request