Fluoranthene D10, 10µg/ml in MeOH, 10ml

1,2,3,4,6,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

EPA Method 531.1 - Analytes Mixture

2-Nitrobenzaldehyde semicarbazone, 25mg