residual contamination

residual contamination

Contamination which remains after steps have been taken to remove it. These steps may consist of nothing more than allowing the contamination to decay normally.
References in periodicals archive ?
Nuclei 1,2,3,4 and 13); Conditional part 2: Mapping of the pollution plume associated with core 1 and 2, And investigating the natural attenuation potential or other remediation techniques for the residual contamination.
Therefore, the study used published benchmarks for manually cleaned gastrointestinal endoscopes, even though the level of residual contamination on sterilized ureteroscopes should be far lower than the amount allowed for clean gastrointestinal endoscopes.
In fact, some "closed" cases have been reopened to address the hazard of indoor air contamination originating from residual contamination in soil and groundwater.
That's less expensive than the "pump-and-treat" option, which can take decades and is known to miss residual contamination that may have leached into different ground layers.
Repeated good ROSE readings can't necessarily guarantee there is no residual contamination in tight spots or that all the flux residues were extracted and analyzed, but a bad ROSE reading clearly indicates something is wrong with the process and is a red flag for intervention.
ClickPress, Mon May 25 2015] Biological Safety Testing Market by Application (Stem Cell, Blood, Gene Therapy), Product (Instruments, Services, Kits, Reagents), & Test (Bioburden, Endotoxin, Cell Line Authentication, Residual Contamination, Adventitious Agents) - Global Forecast to 2019
8,9) Multi-tufted toothbrushes that had the anti-microbial ingredient, Triclosan, added to the heads were not shown to reduce residual contamination, but use of a dentifrice containing Triclosan did reduce it significantly.
A Conditional REC describes the presence of residual contamination that is allowed to remain based on risk-based corrective action objectives (and/or the presence of engineered barriers and institutional controls), but there is a concern that some of the residual contamination in the form of volatile organic compounds (VOCs) in the soil and/or groundwater may volatilize (i.
There is a risk of residual contamination which could affect the ecosystem," he
The vast majority of nerve gases, such as the Sarin gas stockpiled in large quantities by the Syrian regime, do not evaporate immediately, but leave residual contamination on clothes and skin.
Previous remediation work reduced the concentration of oil and solvents in the soil and groundwater, but residual contamination remains throughout the property, according to a 2008 report that served as the basis for the DEP's activity and use limitation restrictions.
Under EPA oversight and in conjunction with the Navajo Nation EPA, General Electric conducted two previous cleanups at the site to deal with residual contamination, including the removal and rebuilding of one building in 2007, and removal of over 40,000 tons of contaminated soil in 2010.