EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8202.X-1-05ME Azaspirazide 1,1.47 µM/L,MeOH,0.5mL, Price on request 94751 3,3’-Dimethylbenzidine Price on request 681543 cis-Nonachlor, 100 µg/ml, Cyclohexane, 1ml Price on request