EPA Method 8250/8250A System Performance Check

Ethanol standard in water,0.2g/L,water, 1.5mL

1,1-Dichloro-2,2-bis(4-Chlorophenyl-d4)ethylene, 100µg/mL in IO, 1ml

U{13C17}-Aflatoxin B1, 0.5µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.