EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-4 2,2'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 59048 Trace Metals Price on request 9080.2-100-AN N,N-Dimethylsulfamide, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 3984-14-3 Price on request