EPA Method 8250/8250A Cal Check BNS Back Catalog number: 82507 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673668 Piperonyl butoxide, 100 µg/ml, Ethyl acetate, 5m Price on request 675098 n-Dodecylbenzene, 100mg Price on request 15900-5340-100AN1 Dimethachlor CGA 369873, 100µg/ml in Acetonitrile, 1ml Price on request