Dichlorodiphenyldichloroethylene:MCnc:Pt:Air:Qn
dichlorodiphenyldichloroethylene:mcnc:pt:air:qn
Dichlorodiphenyldichloroethylene:Mass Concentration:To identify measures at a point in time:Air:Quantitative
dichlorodiphenyldichloroethylene:mass concentration:to identify measures at a point in time:air:quantitative