| 1. | It also contained polycyclic aromatic hydrocarbons of the kind formed by barbecuing.
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| 2. | The chemicals are called polycyclic aromatic hydrocarbons, or PAHs.
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| 3. | Crude contains varying concentrations of polycyclic aromatic hydrocarbons considered carcinogenic.
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| 4. | Unlike many polycyclic aromatic hydrocarbons, it has no fluorescence.
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| 5. | Pyrolysis of coal produces polycyclic aromatic hydrocarbons, which are known carcinogens.
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| 6. | They are collectively known as " derivatives of polycyclic naphthacene carboxamide ".
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| 7. | Also, any subgroup of a strongly polycyclic group is strongly polycyclic.
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| 8. | Also, any subgroup of a strongly polycyclic group is strongly polycyclic.
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| 9. | Novosphingobium indicum hasd the ability to degrade polycyclic aromatic hydrocarbon.
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| 10. | The chemicals are technically known as polycyclic aromatic hydrocarbons.
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