When Good Gas Goes Bad: Gas Purifiers At Work
July/August 2009
Once obsessed with metallic impurity levels, reducing variations in the delivered gas purity has become the primary focus of contamination control engineers managing gas distributions systems. When used correctly at bulk sources or at the point-of-use, gas purifiers can remove harmful impurities down to the ppt range.
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Case Study: Exhaust Duct Decontamination Using Chlorine Dioxide Gas
July/August 2009
The exhaust ductwork in a laboratory at a major pharmaceutical company in North Carolina needed replacement. Since the ductwork was used to exhaust BSCs for testing on HIV and HCV, special precautions would be required during the demolition.
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Air Sampler Qualification According to ISO 14698 NORM
July/August 2009
In November 2007, the ISO TC/209 working group decided to revise the current version of the ISO 14698 norm (Cleanrooms and associated controlled environments – Biocontamination Control).
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Ask Jan: Testing Consumable Products For Cleanrooms
July/August 2009
Contamination Control In and Out of the Cleanroom: Airborne Molecular Contamination, Part 2: Detecting AMC
July/August 2009
C4: Critical Cleaning For Contamination Control: Facebook For Atoms
July/August 2009
From The Editor: Trade Show ROI
July/August 2009
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