chemical sampling

chem·i·cal sam·pling

a sample that is obtained by whatever means is convenient and then purified of irrelevant elements before analysis; the assumption of thorough mixing is not necessary.
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SAIC subject matter experts will augment NASA's existing programs and support the planning and implementation of work associated with industrial hygiene, environmental compliance, project management, chemical management, waste management, chemical sampling and analysis, safety, quality assurance, health physics, and related areas.
For three decades, Jonathan's in-depth reporting swelled our pages with detailed accounts of planetary science--not the heroics of astronauts or the politics of funding, but what scientists were turning up from sensors and imaging and chemical sampling.
The Corps reviewed environmental assessments prepared by MARAD and reports related to cultural-resource surveys and effects, fish and benthos sampling, geotechnical and seismic, chemical sampling and testing, hydrodynamics, Cook Inlet beluga whales and mitigation.
In this case, infrequent chemical sampling and analysis is an accepted practice because of excellent raw material quality control.
CBRN detection and biological and chemical sampling.
If you start with the first three steps, you'll be in a better position to learn where you'll need to collect samples, and whether biological or chemical sampling, or both, are necessary," he says.
After the communities submit their new damages assessment to the court on Thursday, the judge will have in evidence 105 expert reports and more than 64,000 chemical sampling results from dozens of former Chevron well sites, all of which show extensive contamination, said Karen Hinton, a spokesperson for the communities.
The scientific evidence against Chevron in Ecuador is overwhelming and includes more than 64,000 chemical sampling results that show levels of toxic contamination in soils at all of Chevron's 378 former well sites and production facilities in the country.
Huge quantities of oil that gushed from BP's well blowout last spring and summer now taint the Gulf of Mexico's seafloor, newly released video and chemical sampling data show.
More than 64,000 chemical sampling results - more than 80% of which were provided by the company's own scientists - and a 200,000 page trial record has produced a mountain of evidence showing the extent of the contamination.
The plaintiffs have submitted tens of thousands of chemical sampling results that prove extensive soil contamination at 100% of Chevron's 378 former well and production sites in the Amazon.
Ideally, the researchers would like to obviate the need to do chemical sampling at all.
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