Procymidone, 250mg

Dibenz[a,h]anthracene-d14, 100µg/mL in Toluene, 1ml

Ethanol standard in water,0.1g/L,water, 3mL

1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene