Hydrocarbon contamination of organic-lean rocks is thought to occur principally during lubricantassisted core drilling and improper sample storage, while in-laboratory contamination can be monitored and controlled via the use of procedural blanks. Contamination by fine particles settling from the air inside laboratories has not been considered a serious threat. We have used passive silica gel samplers to show that laboratory atmospheres can contain airborne hydrocarbons that preferentially accumulate in fume hoods. The molecular inventory consisted of a range of mature hydrocarbons, including diagnostic hopanes, steranes and, oddly, aryl isoprenoids. Accumulation rates were linear and reached a level that could pose a threat to lean samples...
Surface mine blasting was recently investigated as a potential source of high concentrations of stra...
<p>Many petroleum-based products are used for degreasing and cleaning purposes during vehicle mainte...
Compound-specific carbon and hydrogen isotope ratios are routinely measured on extractable organic m...
Increasingly there are more demanding health and environmental criteria involved in the construction...
Organic contamination of sedimentary rocks can produce artefacts in studies of hydrocarbon compositi...
Biomarker molecules are valuable for the elucidation of ancient microbial ecosystems and the charact...
Hydrocarbons in ambient air constitute a potential health risk for a large number of individuals. Th...
The measurement of semi-volatile hydrocarbons in workplace air is complicated by their read-iness to...
The paper describes monitoring of contamination of atmosphere with organic substances during ordinar...
Surface mine blasting was recently investigated as a potential source of high concentrations of stra...
Contamination is the most common and arguably the most significant problem scientists are facing in ...
Coal tars have been identified as posing a threat to human health due to their toxic, mutagenic and ...
Emissions of hydrocarbons associated with oil and natural gas infrastructure are of current signific...
In-field measurements of atmospheric contaminants were undertaken in 1998 and 1999. Our concern was ...
Includes bibliographical references (pages 44-47)The occurrence of polycyclic aromatic hydrocarbons ...
Surface mine blasting was recently investigated as a potential source of high concentrations of stra...
<p>Many petroleum-based products are used for degreasing and cleaning purposes during vehicle mainte...
Compound-specific carbon and hydrogen isotope ratios are routinely measured on extractable organic m...
Increasingly there are more demanding health and environmental criteria involved in the construction...
Organic contamination of sedimentary rocks can produce artefacts in studies of hydrocarbon compositi...
Biomarker molecules are valuable for the elucidation of ancient microbial ecosystems and the charact...
Hydrocarbons in ambient air constitute a potential health risk for a large number of individuals. Th...
The measurement of semi-volatile hydrocarbons in workplace air is complicated by their read-iness to...
The paper describes monitoring of contamination of atmosphere with organic substances during ordinar...
Surface mine blasting was recently investigated as a potential source of high concentrations of stra...
Contamination is the most common and arguably the most significant problem scientists are facing in ...
Coal tars have been identified as posing a threat to human health due to their toxic, mutagenic and ...
Emissions of hydrocarbons associated with oil and natural gas infrastructure are of current signific...
In-field measurements of atmospheric contaminants were undertaken in 1998 and 1999. Our concern was ...
Includes bibliographical references (pages 44-47)The occurrence of polycyclic aromatic hydrocarbons ...
Surface mine blasting was recently investigated as a potential source of high concentrations of stra...
<p>Many petroleum-based products are used for degreasing and cleaning purposes during vehicle mainte...
Compound-specific carbon and hydrogen isotope ratios are routinely measured on extractable organic m...