|Title||Field Measurement of polycyclic aromatic hydrocarbons in wheat grain grown in Sacramento and San Joaquin Valleys, California|
|Year of Publication||2006|
|Authors||Kobayashi, R., R. A. Okamoto, Randy L. Maddalena, and N. Y. Kado|
|Publisher||Lawrence Berkeley National Laboratory|
|Keywords||dietary exposure, environmental chemistry, exposure & risk group, exposure and health effects, gc-ms analysis, indoor environment department, isotope dilution, polycyclic aromatic hydrocarbons (pahs), wheat|
Wheat grain samples from five different counties in California were analyzed for 2- to 6-ring polycyclic aromatic hydrocarbons (PAHs). PAH profiles were similar for all the samples, but concentrations differed by location. Major PAHs present in the California grain were mainly gas-phase PAHs. Diesel-fueled harvesting operations did not appear to contribute to observed PAH concentration in grain. PAHs in grain most likely came from atmospheric deposition.
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