Results: 1 - 3 of 3
Dec 31, 1988
Earth Sciences Report
… percent. Sulfur, which is mostly organic, often shows elevated …
Nov 18, 2008
Data
… carbon (CO2), graphitic carbon, organic carbon and sulphate …
Dec 31, 1981
Earth Sciences Report
… amounts. Contaminants include organic detritus and quartz. Clay …