EPA Method 8240A Mix #2 Back Catalog number: 84422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GA09011134LM Benzidine D8, 500µg/mL in Acetonitrile:Methanol, 1ml Price on request 3708.10-60-05HC Gonyautoxin-5 (akaB1), 65µM, Solvent-AcOH pH5 (aq), Unit 0.5mL, # of units-1, Cas.no. 64296-25-9 Price on request 10272.6-K-IO 2,3-Dimethyl-d6-pyrazine Price on request