Hydrocarbons in foods from shops in petrol stations and stalls or shops in busy roads

air pollution alimentos aromatic hydrocarbons backfat bacon benceno benzene beurre butter cheese contaminantes contamination desinfectantes disinfectants effluent gazeux exhaust gases foods fromage gas residual gases gaz hidrocarburos hydrocarbons hydrocarbure hydrocarbure aromatique lard lard de poitrine lard gras magasin de commerce mantequilla margarina margarine polluant pollutants pollution produit alimentaire queso reino unido salchicha saucisse sausages shops substance toxique tiendas tocino dorsal tocino magro toluene tolueno toxic substances united kingdom waste gases xileno xylene