2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules

Ethofumesate, 100µg/mL in Acetonitrile, 1ml

Dinaphtho[2,3-b;2',3'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 242-51-3

EPA Method 515.1 - Performance Check Solution