PCB Isomer Standard, 100µg/ml in Isooctane, 1ml

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

EPA Method 8081A Pesticide Standard A

5-Hydroxymethyl-2-furfural, certified, 0.1g