Airborne Particulates in Pittsburgh: Association with p,p-DDT

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Science  10 Dec 1965:
Vol. 150, Issue 3702, pp. 1476-1477
DOI: 10.1126/science.150.3702.1476


The DDT associated with samples of airborne particulates was measured by gas chromatography. Because of possible vaporization of DDT during sampling, concentrations reported represent minimum values but demonstrate that DDT can be present in an urban atmosphere that is distant from any large-scale agricultural activity.