Halfenprox, 10mg Back Catalog number: 674259 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 81203 EPA Method 8121 Internal Standard Price on request 673870 Propargite, 100mg Price on request BB-75 2,4,4',6-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request