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Urban atmospheric samples were collected in A Coruna (NW Spain) and analysed for volatile organic compounds. One hundred and twenty one hour samples were collected in winter 2000. The ambient air was rich in benzene, toluene, ethyl-benzene and xylenes (BTEX) and especially toluene (mean: 23.6 μg m -3 , median: 14.66 μg m -3 ), but the presence of chlorinated compounds was...
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