What is the lower confidence limit test results

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If the PEL, PERSONAL EXPOSURE LIMIT for a substance is 500 ppm., the SAE is 0.10 for the sampling method , and the measured 8 hour TWA concentration using a single charcoal tube is 540 ppm, what is the lower confidence limit test results? Can an OSHA violation be cited? Show your work.

Reference no: EM13275897

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