The newer generation cleaners required re-training, this included understanding that some evaporated very fast, leaving
residual contamination more difficult to remove than the original debris.
This cooling process allows the purging compound to bond with any
residual contamination on the surfaces during cooling.
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.
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The likelihood of
residual contamination is near 100 percent and it is, again, astounding that the town approved this on a short from SEQRA.
The surface cleanliness means the relative degree of the aggregation of the
residual contamination on the solid surface.