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First Lesson

From a statistical standpoint grab sampling is ___________ continuous sampling when trying to verify compliance with an OSHA 8-hour TWA standard.

A.Simpler than

B.More difficult than

C.About as difficult as

D.Treated in exactly the same way as

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The correct answer is:

B To try to verify compliance with an OSHA TWA using grab sampling is extremely difficult. The preferred method is to take a full shift sample.

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