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A consistent error in measurement results can be defined as:
A good Quality Assurance Plan should include control charts for monitoring which of the following:
Duplicate radon test results were 2.5 pCi/L and 3.5 pCi/L. What is the relative percent difference (RPD)?
As a condition of certification, a measurement professional must submit to AARST/NRPP a Quality Assurance Program including all of the following except:
The following is true about Spiked measurements except:
The purpose of deploying blank detectors is to monitor:
Which of the following are unexposed samples for Quality Control measurements?
Which of the following is used to monitor accuracy in radon measurements?
Which of the following practices is not recommended for reducing test interference?
Worker exposure limits must not exceed:
Calibration of CRMs is required at least once semi-annually.
Duplicate measurements determine precision and must be conducted at a rate of 10% or 50 per month or whichever is smaller.
Precision is the degree of mutual agreement among a series of individual measurements.
Semi-annual cross checks conducted on CRMs should be conducted with a monitor calibrated within the last 45 days.
Spiked measurements are samples exposed to a known radon concentration, such as in a radon chamber.