EPA Method 502/524 Surrogate Standard #2 Back Catalog number: 19267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM159 2,3,3',4,5,5'-Hexachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 9716.12.50-IO 2,2',3,3',4,4',5,5'-Octabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request A12670200AL-100 Dimethachlor ESA sodium, 100µg/mL in AL, 1ml Price on request