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Controlled Environments

What is a Surface Active Agent?

April 17, 2012 8:00 pm | Comments

A Surface Active Agent can be described as a substance that can modify the surface properties of liquids or solids. In cleaning applications, these agents work at the boundary layer between soil and solvent.


Critically Clean

April 16, 2012 8:00 pm | Comments

Too often, cleaning the cleanroom to a particular standard becomes an end in itself; reaching the goal or staying within limits of contamination may not be adequate. We have to meet or exceed the requirements.


Why the Swab Matters In Cleaning Validation

April 16, 2012 10:02 am | Comments

It is critical to ensure that the swab, filters, and associated materials used during the process are of the highest possible quality and do not contribute even trace levels of impurities that can interfere with the results.


Cleaning Process SOP

April 14, 2012 8:00 pm | Comments

Developing a Standard Operating Procedure (SOP) for your isolators is a difficult task and depends on the very specific requirements of a facility’s processes and regulation in its industry.


From the Editor: Keeping it Clean!

April 4, 2012 8:00 pm | by Mary Williams | Comments

Welcome to the 2012 Buyer’s Guide; the most comprehensive, up-to-date resource of contamination control vendors, products, and services available.                                              


Effective Training Solutions - An End-to-End Success

April 4, 2012 8:00 pm | by Victor Rivero | Comments

For a leading semiconductor service provider with a brand-new growth product, an aggressive schedule left no room for mistakes.                                            


Sophisticated Gas Detectors Measure Coating Thicknesses on Drug Tablets

April 4, 2012 8:00 pm | by Tom Probst | Comments

Sophisticated gas detectors are helping a pharmaceutical manufacturer measure coating thicknesses on drug tablets.                                           


Integrated Project Delivery

April 4, 2012 8:00 pm | by Richard Bilodeau, PE | SMRT - Architects and Engineers | Comments

There’s a lot of talk out there about Integrated Project Delivery, or IPD, as the latest and greatest method to deliver a construction project. Can you give me a high level overview?                                     


Obsolete Chemicals and Processes, Part 2

April 4, 2012 8:00 pm | by Barbara Kanegsberg and Ed Kanegsberg | BFK Solutions, LLC | Comments

In the previous column, we began our answer to the question posed by Controlled Environments readers, “How do we address chemicals and processes that have become obsolete due to regulatory restrictions?” This month we explore the scope of restrictions, including what is meant, or not meant, by the term “banned.”


Exposure Limits: Should We Take the Bypass?

April 4, 2012 8:00 pm | by John B. Durkee, Ph.D., P.E. | Comments

Exposure limits are crowd-sourced, sometimes based on incomplete data, and often not developed within public view.                                                    


Cleanroom Cleaning Education

April 2, 2012 8:00 pm | Comments

Teaching employees to adhere to rules of behavior or to a specific cleaning protocol is necessary. However, for both product and cleanrooms, there is no substitute for understanding the “why” of the cleaning process.


Why Do Cleanrooms Fail to Meet Owners' Expectations?

April 2, 2012 8:00 pm | by Raymond K. Schneider, P.E. | Comments

While new installations typically are well engineered, modifications required to support new production equipment and processes frequently are made "on the fly" with insufficient forethought.                                


Why is ESD testing important?

March 19, 2012 8:00 pm | Comments

Aside from assurances that the supplier’s stated specifications are being met, electrical resistance testing ensures that one’s garments stay within the parameters for ANSI/ESD S20.20-2007 compliance.


Staying Sane in an Insane Workplace

March 19, 2012 8:00 pm | Comments

Faced with stress, is it even possible to stay calm, cool, and collected? To take it all in stride, function effectively, not lose sleep, and still handle problems successfully?


Why You Should Be Open to Hearing Complaints

March 5, 2012 7:00 pm | Comments

“Complaints, complaints, complaints; that’s all I get around here!” It’s a common cry of managers in laboratories. Yet, accepted wisely, employees’ complaints can be useful tools a lab manager could use to improve and upgrade his work unit and keep his employees happy.



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