4,4'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-15 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 10018 EPA Method 8270A - Analytes Mix #8 Price on request 0172.18-500-IO 2-Phenyldibenzofuran, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78210-31-8 Price on request 677923 Pyrethrins, 10 µg/ml, Ethyl acetate, 10ml Price on request