en2015-08-18 18:07 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/liquidHydrocarbons:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/liquidHydrocarbonsliquidHydrocarbons consist of hydrocarbons of various molecular weights and other liquid or semi-solid organic compounds.en2015-08-18 18:07 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/asphalt:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/asphaltAsphalt or bitumen is a sticky, black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product http://en.wikipedia.org/wiki/Asphalten2015-08-18 18:07 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/oil:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/oilOil or petroleum consists of hydrocarbons of various molecular weights such as alkanes (pentane, hexane, heptane, octane) and other liquid organic compounds, typically recovered from drilling of underground reservoirs. http://en.wikipedia.org/wiki/Petroleumen2015-08-18 18:07 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/oilShale:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/oilShaleFine-grained sedimentary rock, yielding significant quantities of oil upon decomposition by heating to high temperaturesen2015-08-18 18:07 PM CESThttp://inspire.ec.europa.eu/codelist/CommodityCodeValue/tarSand:1http://inspire.ec.europa.eu/codelist/CommodityCodeValue/tarSandMedium-grained sedimentary rock, yielding significant quantities of tar or oil upon decomposition by heating to high temperatures