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Ask the Expert Question-and-Answer Archive
by Joelie Zak, Scientific Control Laboratories, Inc.
|Please read this disclaimer:
Joelie Zak an independent consultant and is not employed by the EPA or any
government agency. The answers that she provides are based solely on her personal
opinion and do not reflect the policy of this hosting website, the EPA or any other
organization. Although she makes every attempt to provide answers that are correct, she
does not always have a full understanding of the background to the question and
therefore she cannot guarantee the correctness of his answers. Therefore, they are
to be taken solely as a guide, and the reader is encouraged to make additional inquiries
before pursuing a course of action to resolve his/her problem.
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