EPA Method 8315 Calibration Mix #1 Back Catalog number: 83509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681041 2,4-D-2-ethylhexyl ester, 100mg Price on request 677550 Etridiazole, 10.0 µg/ml, Cyclohexane, 10ml Price on request 66060 2,3,4,4'-Tetrachlorobiphenyl (60) Price on request