EPA Method 8240A Mix #2 Back Catalog number: 82492 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3325.7-100 Bromoxynil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1689-84-5 Price on request 2619.32-50-IO 17 alpha(H),21ß(H)-(22RS)-Bishomohopane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54352-50-0 Price on request 12068.11-250MG Sulfamerazine,neat,neat,250mg, Price on request