NRPP RMI study plan

Map the entire radon measurement body of knowledge into a personal outline, listing every subtopic under measurement practice (device types, placement, closed-house conditions, QA/QC, reporting) and flagging the three areas you know least

Define and memorize the core physics vocabulary: picocurie per liter (pCi/L), becquerel per cubic meter (Bq/m3), the 4 pCi/L action level, and the conversion factor between the two units

Trace the decay chain from uranium-238 through radium-226 to radon-222 and its short-lived progeny, and explain in your own words why progeny, not the gas alone, drive dose

Build a one-page formula sheet covering unit conversions, decay correction, and equilibrium ratio, then verify each formula against a worked example you solve by hand

Compare the major measurement device categories (activated charcoal, alpha track, electret ion chamber, continuous radon monitor, charcoal liquid scintillation) on integration time, detection limit, interference susceptibility, and cost

Match each device type to the deployment scenario where it is appropriate, including short-term real estate testing versus long-term seasonal averages

Explain the closed-house condition requirements and the timing windows that distinguish short-term from long-term tests

Identify the common causes of false-low and false-high readings and state the corrective action for each

Describe correct detector placement: lowest livable level, distance from exterior walls, ceilings, and openings, and avoidance of high-humidity or draft-prone spots

List the documentation a measurement professional must record at deployment and retrieval, and explain why chain-of-custody matters for defensibility

Walk through the steps for handling a tampered or disturbed detector and the resulting validity decision

Draft the client communication you would give before testing, covering preparation instructions in plain language

Build a working understanding of the QA/QC framework: duplicate measurements, spikes, blanks, and control charts, and the acceptance criteria that apply to each

Calculate the precision and bias statistics from a small synthetic dataset of duplicate and spike results

Interpret an out-of-control control chart and state the investigation steps in order

Explain the role of device calibration, background, and the minimum detectable activity in reporting defensible results

Practice reading and completing a measurement report: result, units, test dates, conditions, device type, and the statement of limitations

Explain how to communicate a result above the action level, including the recommendation to confirm with a second short-term test or a long-term test

Distinguish measurement from mitigation and describe the boundary of the measurement professional's role

Identify the professional and ethical obligations around accuracy, confidentiality, and conflicts of interest

Review the regulatory and standards landscape at a conceptual level: why proficiency programs exist and what participation requires of a measurement professional

Explain the difference between a device that is certified for a purpose and one that is merely calibrated

Summarize the record retention and reporting timelines a measurement business must observe

Revisit your week 1 weak-area list and close at least two of the three gaps with notes and worked examples

Take a full-length timed practice set under exam conditions and record every miss with its root cause (knowledge gap, misread, or calculation error)

Re-solve every missed item from first principles without looking at the answer key

Drill unit conversions and decay calculations until you can complete ten in under ten minutes with no errors

Build a personal list of the twenty facts most likely to be tested and recite them from memory

Re-take a fresh timed practice set and compare the score to week 7, targeting a clear improvement

Review the error log and formula sheet in two short spaced sessions rather than one long cram

Rehearse the device selection and QA/QC decision points aloud, as if explaining them to a client, to confirm fluency

Confirm exam-day logistics: identification, timing, calculator policy, and a rest plan for the night before