EPA Method 507Mix #8, 100µg/ml in Aetone, 1ml

Azinphos-ethyl, 10µg/mL in Isooctane, 10ml

4 alpha-Methyl-5 alpha(H),14 alpha(H),17 alpha(H)cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 474-41-9

Aztreonam, 50mg