EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended Z18000010IO Pesticide-Mix 10, 1 ng/µl, 10ml Price on request 64446 Fermentation standard Mix, in Water, 1ml Price on request 70015R Aroclor 1016 Price on request