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Course outline

Modules and lessons

The full Becoming a Certified Health Physicist: A Mental-Model Course for the ABHP Examination sequence — every unit, module, and lesson title. Subscribe to access interactive lessons and practice.

  • 24 modules
  • 360 lessons
  • 9 units

Unit 1

Foundations: Dose Quantities and Decay

M01

The Dosimetric Quantity Chain

  • L01The Dose Quantity Hierarchy: From Field Quantities to Regulatory Dose
  • L02Dose Quantity Hierarchy: Definitions, SI/Legacy Units, and Conversion Reference
  • L03The Two-Step Conversion: Radiation-Type Factor Then Tissue Weighting
  • L04Radiation and Tissue Weighting Factor Tables: ICRP, DOE, NRC, and Exam Application
  • L05Block 1 Quiz: Dose Quantity Hierarchy and Framework-Specific Weighting Factors
  • L06TEDE: External EDE, DDE Substitution, and CEDE
  • L07TEDE, DDE, CEDE, and 10 CFR 20.1201 Compliance Reference
  • L08The f-Factor: Bridging Photon Exposure in Roentgen onto the Dose Chain
  • L09f-Factor Values, Energy Dependence, and Exposure-to-Dose Conversion Reference
  • L10Block 2 Quiz: TEDE Assembly, Regulatory Accounting, and the f-Factor
  • L11Operational Quantities: H*(10), H_p(10), DDE, and Effective Dose
  • L12Operational vs Protection Quantities: Definitions, Depth Conventions, and Decision Matrix
  • L13Worked Example: Tracing a Complete Dose Report from Field Measurements to 10 CFR 20.1201 Compliance
  • L14M01 Formula Sheet, Memory Targets, and Distractor Traps
  • L15Module Quiz: Operational Quantities, Chain Assembly, and Full Dose Reporting
M02

Activity, Decay, and Equilibrium

  • L01The Exponential Decay Law and Decay Constant
  • L02Decay-Law Reference: Lambda, T_half, Fractional Half-Lives, and Decay-Mode Table
  • L03Specific Activity, Activity Concentration, and Activity Unit Conversions
  • L04Specific Activity Formula Sheet and Activity Unit-Conversion Table
  • L05Block 1 Retrieval: Decay Law and Specific Activity
  • L06Secular vs Transient Equilibrium: Bateman Ingrowth and Branching-Corrected Daughter Activity
  • L07Equilibrium-Type Classifier and Bateman Ingrowth Reference
  • L08Effective Half-Life: Harmonic Combination of Physical and Biological Clearance
  • L09Effective Half-Life Table and Bioassay-Timing Reference
  • L10Block 2 Retrieval: Equilibrium and Effective Half-Life
  • L11Decay-Series Structure: The AUNT Rule, Branching Fractions, Emission Yields, and Operational Chain Effects
  • L12Decay-Series Membership, Branch Fractions, and Emission-Yield Reference
  • L13From Source to Decision: A Branching-Corrected Mo-99/Tc-99m Generator Elution Calculation
  • L14M02 Master Reference: Decay Law, Equilibrium, Effective Half-Life, Branching, and Series Membership
  • L15Block 3 Retrieval: Decay Series, Branching, Integration, and MM3 Operational Application

Unit 2

Radiation Physics: How Radiation Interacts

M03

Charged-Particle Interactions and Energy Deposition

  • L01From Decay to Interaction: Emission Properties That Govern What Charged Particles Do
  • L02Decay-Mode Emission Properties Reference: Charge, Mass, Spectrum, Branching, and Interaction Signature
  • L03Stopping Power and Charged-Particle Range: Why Alpha Stops in Micrometers and Beta Travels Millimeters
  • L04Stopping Power and Range Reference: Alpha and Beta in Air, Water, and Tissue
  • L05Block 1 Retrieval: Emission Properties and Charged-Particle Range
  • L06LET and Track Structure: The Physical Link Between Energy Deposition Pattern and Biological Effect
  • L07LET, Track Structure, and the MM1 Radiation Weighting Factor Bridge Reference
  • L08Bremsstrahlung: Radiative Energy Loss and Why High-Z Shield Material Creates a Photon Problem
  • L09Bremsstrahlung Reference: Yield Formula, Critical Energy, and Material Comparison Table
  • L10Block 2 Retrieval: LET, Track Structure, and Bremsstrahlung
  • L11Beta Shielding Order and Alpha Hazard Classification: Applying Blocks 1 and 2 to Operational Decisions
  • L12Beta Shielding Order, Alpha Hazard Classification, and Skin Dose Reference
  • L13From Beta Emission to Shielding Decision and Skin Dose: A P-32 Lab Scenario
  • L14M03 Master Reference: Emission Properties, Stopping Power, LET, Bremsstrahlung, and Beta Shielding
  • L15Block 3 Retrieval: Beta Shielding Design, Alpha Hazard Classification, and MM1 Integration
M04

Photon and Neutron Interactions and Attenuation

  • L01Introducing MM4: The Three Photon Interactions and the Rules They Set
  • L02Three Photon Interactions Reference: Cross-Section Dependences and Dominance Regions
  • L03μ as a Sum of Relevant Partial Interaction Coefficients and Narrow-Beam Attenuation
  • L04Attenuation Coefficient and Narrow-Beam Attenuation Reference
  • L05Block 1 Quiz: Photon Interaction Selection and Attenuation
  • L06HVL and TVL: Deriving the 3.32 Relationship and Why They Are Material-Specific
  • L07HVL, TVL, and Shielding Calculations Reference
  • L08Compton Scatter Energy: The Kinematic Formula and Its Geometry Implications
  • L09Compton Scatter Energy Reference: Formula, Edge, and Room-Scatter Implications
  • L10Block 2 Quiz: HVL/TVL Calculations and Compton Scatter
  • L11Neutron Interactions by Energy: Moderation, Capture, and the Path to Activation
  • L12Neutron Interactions Reference: Energy Classification, Cross-Sections, and Shielding Sequence
  • L13Reactor Outage Pre-Job Shielding: Composite Gamma and Neutron Shielding Decision
  • L14M04 Master Reference: Interaction Physics, Attenuation, HVL/TVL, Compton, and Neutron Shielding
  • L15Block 3 Quiz: Neutron Interactions, Shielding Implications, and Integration

Unit 3

External Exposure Control and Radiation Risk

M05

Source-Shield-Distance-Time: External Exposure Control

  • L01Introducing MM2: The Inverse-Square Law and Source Geometry
  • L02Inverse-Square Law Reference: Formula, Source-Geometry Regimes, and Misapplication Traps
  • L03HVL/TVL Stacking, Practical Tables, and the Powers-of-Two Shortcut
  • L04HVL/TVL Stacking Reference: Shortcuts, Table Labels, and First-vs-Equilibrium TVL
  • L05Block 1 Quiz: Inverse-Square Law and HVL/TVL Stacking
  • L06Broad-Beam Buildup: When B≥1 Must Be Evaluated and Why Omitting It Is Non-Conservative
  • L07Buildup Factor Reference: Geometry Selection, B Magnitudes, and Screening Approaches
  • L08Combined Shielding-and-Distance: Composing Levers with Quantity Tracking
  • L09Combined Shielding-and-Distance Reference: Formula, Ordering, and Quantity Conversion
  • L10Block 2 Quiz: Buildup and Combined Shielding-and-Distance
  • L11Stay-Time, Dose Budgeting, and the Specific Gamma-Ray Constant
  • L12Stay-Time and Specific Gamma-Ray Constant Reference
  • L13Outage Job Planning: Four-Lever Source-Shield-Distance-Time Integration
  • L14M05 Master Reference: ISL, Buildup, HVL/TVL, Gamma, Stay-Time, and MM2 Traps
  • L15Block 3 Quiz: Stay-Time, Gamma, Dose Budgeting, and Four-Lever Integration
M06

Radiobiology and Radiation Risk

  • L01Introducing MM5: Deterministic vs Stochastic Effects and ARS Thresholds
  • L02Deterministic Effects and ARS Reference: Thresholds, Syndromes, and Bergonie-Tribondeau
  • L03The Linear-Quadratic Survival Model and the Alpha/Beta Ratio
  • L04LQ and BED Reference: Surviving Fraction, Alpha/Beta, and Fractionation
  • L05Block 1 Quiz: Deterministic/Stochastic Effects and the LQ Survival Model
  • L06RBE vs w_R: Measured Endpoint-Specific Ratio vs Operational Protection Factor
  • L07RBE vs w_R Reference: Definition, Variability, and the Non-Equivalence Rule
  • L08LNT as a Protection-Policy Assumption and the Nominal Risk Coefficient
  • L09LNT and Nominal Risk Coefficient Reference: Policy Status, DDREF, and Population Values
  • L10Block 2 Quiz: RBE vs w_R, LNT, and the Nominal Risk Coefficient
  • L11How the Effect Split Anchors the Two-Tier Dose-Limit System
  • L12Two-Tier Dose-Limit Reference: Stochastic vs Non-Stochastic Limits and Jurisdiction
  • L13Incident Triage and Risk Communication: Full MM5 Integration
  • L14M06 Master Reference: MM5 Effect Split, LQ/BED, RBE vs w_R, LNT, and the Two-Tier Limit System
  • L15Block 3 Quiz: Two-Tier Dose Limits and Full MM5 Integration

Unit 4

Detection, Instrumentation, and Counting Statistics

M07

Gas-Filled Detectors

  • L01Reinforcing MM4: The Six-Region Gas-Amplification Curve
  • L02Gas-Amplification Curve Reference: Six Regions and Detector Mapping
  • L03Ion Chambers: Current Mode, Saturation, and Calibrated Energy Response
  • L04Ion Chamber Reference: Region II, Current Mode, Saturation, and W
  • L05Block 1 Quiz: The Gas-Amplification Curve and Ion Chambers
  • L06Proportional Counters: Gas Multiplication and Alpha/Beta Discrimination
  • L07Proportional Counter Reference: Region III, Discrimination, and Fast Dead Time
  • L08GM Tubes and the Operating Plateau: Full Avalanche, Quench, and Energy Dependence
  • L09GM Tube Reference: Region V, Quench, Plateau Slope, and Low-Energy Over-Response
  • L10Block 2 Quiz: Proportional Counters and GM Tubes
  • L11Dead Time: Non-Paralyzable, Paralyzable, Hybrid Behavior, and the Suspect-Reading Danger Signal
  • L12Dead-Time Reference: Models, Direction Rule, Branch Ambiguity, and Resolving Time
  • L13Field Response: Detector Selection and Dead-Time Correction in a Suspected High Field
  • L14M07 Master Reference: Gas Curve, Three Detector Types, and Dead Time
  • L15Block 3 Quiz: Dead Time and Full Detector-Selection Integration
M08

Scintillation, Semiconductor, and Specialty Detectors

  • L01Reinforcing MM4: Scintillation Detection and NaI(Tl) Energy Response
  • L02Scintillation Reference: NaI(Tl) Chain, Energy Resolution, and Spectral Features
  • L03HPGe Semiconductor Spectroscopy: Charge Carriers, Resolution, and Cooling
  • L04Semiconductor Reference: HPGe, Band-Gap Operation, Resolution, and Cooling
  • L05Block 1 Quiz: Scintillation and Semiconductor Spectroscopy
  • L06Liquid Scintillation, Alpha-Particle Detectors, and Low-Energy Transuranic Photon Detection: Matching Medium to Emission
  • L07LSC and Specialty Detector Reference: Low-Energy Betas, Quench, Alpha Detection, and Transuranic Photon Surveys
  • L08Passive Personnel Dosimeters: TLD, OSL, Film, and the Multi-Element Badge
  • L09Passive Dosimeter Reference: TLD vs OSL vs Film and Deep/Shallow/Lens Dose
  • L10Block 2 Quiz: Liquid Scintillation, Specialty Detectors, and Personnel Dosimeters
  • L11Efficiency Types: Intrinsic vs Geometric vs Absolute, and Activity from a Count
  • L12Efficiency Reference: eps_abs = eps_int x eps_geo, Activity, and Corrections
  • L13Mixed-Nuclide Sample: Detector Selection and Activity from a NaI Count
  • L14M08 Master Reference: Detector Media, Spectra, Dosimeters, and Efficiency
  • L15Block 3 Quiz: Efficiency Types and Full Detector-Selection Integration
M09

Counting Statistics, MDA, and Decision Levels

  • L01Reinforcing MM4: Poisson Statistics and the 95% Confidence Interval on a Count
  • L02Poisson Reference: sigma = sqrt(N), sigma_R = sqrt(R/t), and the Gaussian Approximation
  • L03Background Subtraction and Error Propagation in Quadrature
  • L04Background-Subtraction Reference: Net Rate, Quadrature, and the Near-Background Limit
  • L05Block 1 Quiz: Poisson Statistics and Background Subtraction
  • L06Critical Level vs Detection Level: Type I and Type II Errors in a Detection Decision
  • L07Critical-Level Reference: Decision Thresholds and the Paired-Count Approximation
  • L08The Currie MDA/MDC Framework: Detection Level, Shortcut Conditions, and Activity Conversion
  • L09Currie MDA/MDC Reference: Detection Level, Activity Conversion, and the S_C/S_D/MDA/MDC Distinction
  • L10Block 2 Quiz: Critical Level, Detection Level, and the Currie MDA/MDC Framework
  • L11Optimal Count-Time Allocation and Converting an MDA to Activity
  • L12Count-Time and MDA Reference: Optimal Split, Activity Conversion, and Lowering the MDA
  • L13I-131 Counting-System MDA Only: Not Yet Air-Concentration MDC
  • L14Module 9 Summary: Counting-Statistics Formula Sheet, Decision Levels, and Traps
  • L15Block 3 Quiz: Count-Time Allocation, MDA-to-Activity, and Integration
M10

Calibration, QC, and Survey Program Design

  • L01Reinforcing MM4: Calibration, Traceability, and the Correction Factor
  • L02Calibration and Traceability Reference: The Chain, the Correction Factor, and the Constancy Check
  • L03Energy and Geometry Response Corrections: Matching the Calibration to the Field
  • L04Energy/Geometry Correction Reference: CF_E, CF_G, and the Validity-of-Calibration Rule
  • L05Block 1 Quiz: Calibration, Traceability, and Energy/Geometry Corrections
  • L06QC Charts and Instrument-Response Checks: Keeping the Calibrated Instrument in Control
  • L07QC-Chart Reference: Control Limits, Trending, and Out-of-Tolerance Action
  • L08Survey Design and Area Classification: Instrument Selection, RA/HRA/VHRA, and Scan Speed
  • L09Survey-Design Reference: Area Classification, Instrument Selection, Air Sampling, and Scan MDC
  • L10Block 2 Quiz: QC Charts, Survey Design, and Area Classification
  • L11Contamination Survey Methods: Direct vs Smear, Fixed vs Removable, and Method-by-Nuclide
  • L12Contamination-Method Reference: Direct vs Smear, Removal Efficiency, and Method-by-Nuclide
  • L13Designing a Decommissioning Pre-Entry Survey Program: Posting, Method, and MDA
  • L14Module 10 Summary: Calibration, QC, and Survey-Design Formula Sheet and Traps
  • L15Block 3 Quiz: Contamination Methods and Survey-Program Integration

Unit 5

External Dosimetry and Shielding Design

M11

External Dosimetry: Geometry, Gamma Constants, and Stay-Time

  • L01Reinforcing MM2: The Specific Gamma-Ray Constant and Its Unit Traps
  • L02Gamma-Constant Reference: Values, Units, Photon-Only Scope, and the Foot-vs-Meter Trap
  • L03Source Geometry: Point, Line, Area, and Volume Falloff
  • L04Source-Geometry Reference: Point, Line, Area, Volume, and Model Selection
  • L05Block 1 Quiz: Gamma Constants and Source Geometry
  • L06Skin and Extremity Dose: The Beta Term the Gamma Constant Misses
  • L07Skin/Extremity-Dose Reference: Shallow vs Deep, Hot Particles, and Ring Badges
  • L08Combined Distance-and-Shielding: Composing the Levers with the Decayed Source Term
  • L09Combined Distance-and-Shielding Reference: Unit Matching, Decay, and Material Choice
  • L10Block 2 Quiz: Skin/Extremity Dose and Combined Distance-and-Shielding
  • L11Stay-Time and Dose Budgeting: From a Dose Rate to an Allowable Time
  • L12Stay-Time/Dose-Budgeting Reference: Unit Care, Quantity-vs-Limit, and ALARA
  • L13Integration: A Reactor-Outage Maintenance Task from Decay to Stay-Time
  • L14Module Summary Reference: External Dose Rate, Geometry, Beta Skin Dose, Shielding, and Stay-Time
  • L15Block 3 Quiz: Stay-Time, Dose Budgeting, and the Integrated Chain
M12

Structural and Medical Shielding Design

  • L01Reinforcing MM2: The W/U/T Barrier Design Factor
  • L02W/U/T Reference: The Design Factor, Standard T and U, and the Design Goal P
  • L03Primary vs Secondary Barriers: Useful Beam, Scatter, and Leakage
  • L04Primary/Secondary-Barrier Reference: Useful Beam, Scatter, Leakage, and the Governing Barrier
  • L05Block 1 Quiz: The W/U/T Design Factor and Barrier Types
  • L06Broad-Beam Buildup in Thick Shields: Why the NCRP TVL Method Already Includes It
  • L07Broad-Beam-Buildup Reference: Mandatory Buildup and the Narrow-Beam-TVL Trap
  • L08The Two-Component TVL Model for Medical Accelerators
  • L09Two-Component-TVL Reference: TVL1, TVL_e, n = -log10(K), and the MV-Accelerator Scope
  • L10Block 2 Quiz: Broad-Beam Buildup and the Two-Component TVL Model
  • L11Design-Goal Selection and Post-Installation Verification
  • L12Design-Goal/Verification Reference: P selected from the applicable NCRP method, the Design Chain, and the Post-Installation Survey
  • L13Integration: Designing the Primary Photon Barrier for an 18 MV Linac Vault
  • L14Module Summary Reference: W/U/T Design, Barrier Types, Buildup, Two-Component TVL, and Verification
  • L15Block 3 Quiz: Design Goals, Required Thickness, and the Verified Design
M13

Neutron Interactions, Activation, and Criticality Fundamentals

  • L01Neutrons by Energy: Interactions and Classification
  • L02Reference: Neutron Energy Bands, Cross-Sections, and Detection
  • L03Neutron Dose and Framework-Specific Quality/Weighting Factors
  • L04Reference: Neutron Q/w_R, the Framework Caveat, and Fluence-to-Dose Conversion
  • L05Block 1 Quiz Review: Neutron Interactions and Dose
  • L06Neutron Shielding: Slow, Absorb, Then Account for the Capture Gamma
  • L07Reference: Moderators, Capture Materials, and Capture-Gamma Penalties
  • L08The Activation Equation: Saturation Builds, Decay Removes
  • L09Reference: Activation Equation, Constants, and Canonical Products
  • L10Block 2 Quiz Review: Shielding and Activation
  • L11Criticality Safety: Keeping k_eff Below One
  • L12Reference: Criticality Factors, Controls, and Neutron-Dose Reconstruction
  • L13Worked Integration: A Research-Reactor Maintenance Shutdown
  • L14Module Summary: The Neutron Field Analysis Framework
  • L15Block 3 Quiz Review: Criticality and Integration

Unit 6

Internal Dosimetry and Bioassay

M14

Internal Dosimetry: Biokinetics, ALI, and DAC

  • L01Intake to Committed Dose: Introducing MM6 and the Biokinetic Models
  • L02Reference: Intake Routes, Lung Classes, AMAD, and f1 Values
  • L03Committed Dose Equivalent and CEDE
  • L04Reference: H_T,50, CEDE, and the TEDE Linkage
  • L05Block 1 Quiz Review: Biokinetics and Committed Dose
  • L06The ALI: More Restrictive of Stochastic or Non-Stochastic
  • L07Reference: ALI Selection and Limit Bases
  • L08DAC and DAC-Hours
  • L09Reference: DAC Derivation, DAC-Hours, and Posting Triggers
  • L10Block 2 Quiz Review: ALI, DAC, and DAC-Hours
  • L11Stochastic vs Non-Stochastic ALI by Critical Organ
  • L12Reference: Critical Organs and the Stochastic/Non-Stochastic Split
  • L13Worked Example: Am-241 Inhalation Intake Incident
  • L14Module Summary: The MM6 Intake-to-Committed-Dose Chain
  • L15Block 3 Quiz Review: Critical Organs and Integration
M15

Bioassay and the TEDE/CEDE/MIRD Calculation Chain

  • L01Bioassay Back-Calculation: Recovering Intake from a Measurement
  • L02Reference: The Back-Calculation Chain and Bioassay Method Selection
  • L03Retention/Excretion Functions and Bioassay Timing
  • L04Reference: Retention/Excretion Functions, Effective Half-Life, and Sampling Time
  • L05Block 1 Quiz: Bioassay Back-Calculation and Retention/Excretion Functions
  • L06Multi-Pathway CEDE, Fraction-of-ALI, and 10 CFR 20.1202 Summation
  • L07Reference: Multi-Pathway CEDE, Fraction-of-ALI, and External-Plus-Internal Summation
  • L08Assembling TEDE and the Reporting/Notification Decision
  • L09Reference: TEDE Assembly, Dose Limit, and Reporting/Notification Framework
  • L10Block 2 Quiz: Multi-Pathway CEDE and TEDE Assembly
  • L11The MIRD Cumulated-Activity Framework
  • L12Reference: MIRD Cumulated Activity, S-Factors, and the CEDE Relationship
  • L13Worked Example: Mixed I-131 + Cs-137 Inhalation - Bioassay to Regulatory Decision
  • L14Module Summary: From Bioassay Measurement to TEDE
  • L15Block 3 Quiz: MIRD and the Full Bioassay-to-TEDE Chain

Unit 7

Regulatory System and Standards

M16

The ICRP System and Regulatory Jurisdiction

  • L01Introducing MM7: Justification, Optimization, Limitation
  • L02Reference: The Three ICRP Principles
  • L03ALARA: Reasonableness-Based Optimization, Not Minimization
  • L04Reference: ALARA, the Control Hierarchy, and Dose Constraints
  • L05Block 1 Quiz: The Three Principles and ALARA
  • L06The US Regulatory Stack and Each Body's Scope
  • L07Reference: The US Regulatory Stack
  • L08Jurisdiction Determination and Agreement States
  • L09Reference: Jurisdiction Determination and Agreement States
  • L10Block 2 Quiz: The Regulatory Stack and Jurisdiction
  • L11Adopted Regulatory Factors vs Advisory ICRP 103
  • L12Reference: Adopted Regulatory Factors, Advisory ICRP 103, and Limit Discrepancies
  • L13Worked Example: Hospital Jurisdiction, ALARA, and Release Pathways
  • L14Module Summary: The MM7 System and Jurisdiction
  • L15Block 3 Quiz: Regulatory vs Advisory and the Full Jurisdiction Chain
M17

10 CFR 20 in Depth: Limits, Areas, ALARA, Records

  • L01Applying 10 CFR 20 Dose Limits: TEDE, the More-Restrictive-of Test, and Public Limits
  • L02Reference: Occupational and Public Dose Limits (10 CFR 20.1201 and 20.1301)
  • L03Special Limits: Embryo/Fetus, Minor, Lens, and Skin — Checked Independently
  • L04Reference: Special Dose Limits and the Independence Rule
  • L05Block 1 Quiz: Dose Limits and Special Limits
  • L06Area Classification and Posting: RA, HRA, VHRA, and ARA
  • L07Reference: Area Classifications and Access Controls
  • L08Monitoring Requirements and the ALARA Program
  • L09Reference: Monitoring Triggers, Survey Requirements, and ALARA Program
  • L10Block 2 Quiz: Area Classification, Monitoring, and ALARA Program
  • L11Records, Reporting Thresholds, and Worker Notification
  • L12Reference: Recordkeeping, Reporting Obligations, and Worker Notices
  • L13Full 10 CFR 20 Compliance Assessment: Nuclear Medicine Facility
  • L14Module Summary: 10 CFR 20 Operational Depth
  • L15Block 3 Quiz: Records, Reporting, and Full 10 CFR 20 Integration

Unit 8

Applied and Operational Health Physics

M18

Operational Health Physics: Reactor, Medical, and Accelerator

  • L01Reactor Source Terms and Outage ALARA: N-16 at Power, Crud at Outage
  • L02Reference: Reactor Source Terms and Outage ALARA
  • L03Medical Use Under 10 CFR 35: Written Directives, Patient Release, Generator QC
  • L04Reference: 10 CFR 35 Medical Use and Patient Release
  • L05Block 1 Quiz: Reactor Source Terms and Medical Use
  • L06Accelerator Radiation: Prompt Fields, Induced Activity, and Vault Re-Entry
  • L07Reference: Accelerator Prompt Radiation, Activation, and Re-Entry
  • L08Sealed-Source Programs: Leak Testing, Exemptions, Accountability, and Radiography
  • L09Reference: Sealed-Source Leak Testing, Exemptions, and Accountability
  • L10Block 2 Quiz: Accelerators and Sealed-Source Programs
  • L11Setting-Specific Monitoring: Bioassay Triggers, DAC-Hours, and the Control Hierarchy
  • L12Reference: Setting-Specific Monitoring and Bioassay Triggers
  • L13Reactor-Outage TEDE Assessment: Source Term to Regulation-Cited ALARA Action
  • L14Module Summary: Reactor, Medical, and Accelerator Operational Health Physics
  • L15Block 3 Quiz: Setting-Specific Monitoring and Cross-Setting Integration
M19

Environmental, Effluent, and Atmospheric Dispersion

  • L01Bridge to M02/M09/M14/M16: Effluent Source Terms and Isokinetic Stack Sampling
  • L02Effluent Source Terms and Sampling Reference: Nuclide Categories, Pathways, and Isokinetic Criteria
  • L03The Gaussian Plume and Pasquill-Gifford Stability: Estimating Air Concentration Downwind
  • L04Gaussian Plume and Pasquill-Gifford Reference: chi/Q Formula, Stability Class Table, Effective Stack Height, and Sigma Growth
  • L05Block 1 Quiz: Effluent Source Terms, Isokinetic Sampling, and Gaussian Plume
  • L06Pathway Dose: From Air Concentration to Inhalation, Ingestion, and Food-Chain CEDE
  • L07Pathway Dose Reference: Inhalation Formula, Ingestion Transfer Factors, Food-Chain Pathways, and CEDE Application
  • L08Effluent Monitoring Program Design: Detection Capability, Currie Count Time, and the Controlling-Fraction Method
  • L09Effluent Monitoring Program Design Reference: MDA Target, Currie Inversion, Controlling Fraction, and Background Uncertainty
  • L10Block 2 Quiz: Pathway Dose and Effluent Monitoring Program Design
  • L11Environmental Compliance Limits: 10 CFR 20 App. B, 40 CFR 190, and Jurisdiction-First Limit Selection
  • L12Environmental Compliance Limits Reference: App. B Tables, 40 CFR 190, Fraction Summation Rule, and Documentation
  • L13Full-Chain Worked Example: Source Term → Dispersion → Pathway Dose → Compliance and Monitoring Decision
  • L14Module 19 Master Reference: Formula Sheet, Memory Targets, Stability Classes, Traps, and Callbacks
  • L15Block 3 Quiz: Environmental Compliance, Dispersion-to-Dose Integration, and Documentation
M20

Waste, Decommissioning, and Transport

  • L01Classifying a Waste Stream: 10 CFR 61 Class A/B/C/GTCC and the Concentration-Fraction Method
  • L02Reference: 10 CFR 61 Waste Classification and Origin-Defined Waste Types
  • L03MARSSIM and the DCGL: Deriving a Release Concentration from a Dose Limit
  • L04Reference: DCGL Derivation, Survey-Unit Classification, and Decay-to-Survey-Date
  • L05Block 1 Quiz: Waste Classification and MARSSIM/DCGL
  • L06The Unity Rule and Final-Status-Survey Statistics: Concentration Fractions, Not Activities
  • L07Reference: Unity Rule, Sign/WRS Test Selection, and Decision Errors
  • L08Transport Package Types and Labeling: Excepted to Type B, and White-I/Yellow-II/Yellow-III
  • L09Reference: Package-Type Decision, A1/A2, and Label Thresholds
  • L10Block 2 Quiz: Unity Rule, Survey Statistics, and Transport Packages
  • L11The Transport Index and Exclusive-Use Rules: TI Is Measured at 1 m, Not at the Surface
  • L12Reference: Transport Index, Exclusive-Use Limits, and CSI
  • L13Integration: From Decommissioning Survey to Shipped Package — Decay, DCGL, Unity Rule, and Transport
  • L14Module Summary: Waste, Decommissioning, and Transport Formula Sheet and Traps
  • L15Block 3 Quiz: Transport Index, Exclusive-Use, and the Integrated Chain
M21

Emergency Response and Protective Action Guides

  • L01Rapid Screening Dose Assessment: Conservative Estimates from Limited Field Data
  • L02Screening Dose Assessment Reference: Methods, Conservative Assumptions, and PP4 Graded Rigor
  • L03EPA PAGs and Protective Action Decisions: The Shelter/Evacuate/KI Framework
  • L04EPA PAG Manual Reference: Early-Phase Thresholds, Intermediate-Phase PAGs, KI, Relocation, and Ingestion
  • L05Block 1 Quiz: Rapid Dose Assessment and EPA Protective Actions
  • L06Emergency-Worker Graduated Dose Guidance: The 5/10/25/Fully-Informed Tier Structure
  • L07Emergency-Worker Dose Guidance Reference: Tiers, Turn-Back Values, Dosimetry, and Informed Participation Requirements
  • L08Cloudshine, Groundshine, and Short-Term Plume Dispersion: Emergency χ/Q in Action
  • L09Cloudshine/Groundshine and Emergency Dispersion Reference: EDE Formulas, Pathway Heuristics, and PAG Linkage
  • L10Block 2 Quiz: Emergency-Worker Guidance, Cloudshine/Groundshine, and Short-Term Dispersion
  • L11Criticality-Accident Dose Quick-Sort: Na-24 as a Neutron Dose Indicator and Deterministic Triage
  • L12Criticality Quick-Sort Reference: Na-24 Indicator, ARS Thresholds in Criticality Context, and Deterministic-Logic Chain
  • L13Full-Chain Worked Example: Facility Release → Short-Term χ/Q → Inhalation/Cloudshine → PAG Comparison → Emergency-Worker Decision
  • L14Module Summary: Emergency Response Reference Sheet, Formula Sheet, Memory Targets, and Integration Traps
  • L15Block 3 Quiz: Criticality Quick-Sort, Deterministic vs. PAG Logic in Emergencies, and Full-Chain Integration

Unit 9

Integration and Part II Mastery

M22

Canonical Radionuclide Profiles

  • L01Introducing MM8 and Profiling Low-Energy Beta Emitters: H-3, C-14, and S-35
  • L02Low-Energy Beta Emitter Profiles: H-3, C-14, and S-35 — Reference Sheet
  • L03Profiling Penetrating-Gamma Emitters: Co-60, Cs-137, and I-131 — External Dose and Shielding
  • L04Penetrating-Gamma Emitter Profiles: Co-60, Cs-137, and I-131 — Reference Sheet
  • L05Block 1 Quiz: Low-Energy Beta Emitters and Penetrating-Gamma Emitters
  • L06Generator and Equilibrium Pair Profiles: Mo-99/Tc-99m and Sr-90/Y-90
  • L07Generator/Equilibrium Pair Profiles: Mo-99/Tc-99m and Sr-90/Y-90 — Reference Sheet
  • L08Profiling Alpha and Radon Hazards: Ra-226/Rn-222 and Am-241
  • L09Alpha and Radon Hazard Profiles: Ra-226/Rn-222 and Am-241 — Reference Sheet
  • L10Block 2 Quiz: Generator/Equilibrium Pairs and Alpha/Radon Hazards
  • L11Profiling Short-Lived and Diagnostic Nuclides: F-18, I-125, and P-32
  • L12Short-Lived and Diagnostic Nuclide Profiles: F-18, I-125, and P-32 — Reference Sheet
  • L13MM8 in Action: Reading the Model from the Nuclide — Canonical Hazard-Ranking Integration
  • L14Canonical Radionuclide Profiles Master Reference and Module Summary
  • L15Block 3 Quiz: Short-Lived/Diagnostic Nuclides and Integration
M23

Cross-Domain Integration Capstones

  • L01Reactor-Outage TEDE Assessment End to End: Assembling DDE and CEDE at Capstone Scale
  • L02Reactor-Outage TEDE Assessment Reference Sheet
  • L03Medical Accelerator Shielding Design: The Table-Specified TVL Capstone (NCRP 151)
  • L04Medical Accelerator Shielding Design Reference Sheet
  • L05Block 1 Quiz: Reactor-Outage TEDE and Accelerator Shielding Capstones
  • L06Decommissioning Final Status Survey and Effluent Monitoring Design: MARSSIM, DCGL, and App. B Chains
  • L07Decommissioning FSS and Effluent Monitoring Design Reference Sheet
  • L08Emergency Release — Dispersion, Intake, PAG Chain: The Gaussian Plume to Protective Action Decision
  • L09Emergency Release Capstone Reference Sheet
  • L10Block 2 Quiz: Decommissioning/Effluent and Emergency Release Capstones
  • L11Internal-Contamination Incident and NM Therapy Patient-Release Chains: Bioassay to Decision
  • L12Internal Contamination and NM Patient-Release Reference Sheet
  • L13MM8 at Full Capstone Scale: Seven Chains, One Integration Failure Taxonomy
  • L14Cross-Domain Integration Master Reference: Seven Capstones, MM8, and the Integration Failure Taxonomy
  • L15Block 3 Quiz: Internal Contamination, Patient Release, and Full-Module Integration
M24

Part II Answer Architecture, Specialties, and Timed Retrieval

  • L01Anatomy of a High-Scoring Part II Answer: The Six Elements That Earn Every Point
  • L02Anatomy Checklist and Grader-Logic Reference
  • L03The Eight Part II Topical Areas: Regulatory Homes, Mental Models, and Canonical Problems
  • L04Part II Topical Areas Reference Table
  • L05Block 1 Quiz: Answer Anatomy and the Eight Part II Topical Areas
  • L06The Equation-Sheet vs Memory Split: What Must Live in the Head
  • L07Memory-Intensive vs Understanding-Intensive Reference
  • L08Process Point-Losers and Elective Selection: Where Points Leak and Which Problems to Answer
  • L09Point-Losers and Elective Selection Reference
  • L10Block 2 Quiz: Memory Split and Process Point-Losers
  • L11Pacing and Timed-Retrieval Strategy for Part I and Part II
  • L12Pacing and Timed-Retrieval Reference
  • L13Full Part II Answer Under Exam Pressure: Structuring One Capstone End to End
  • L14M24 Master Reference: Answer Architecture, Specialties, Memory Split, and Pacing
  • L15Block 3 Quiz: Pacing, Timed Retrieval, and Full-Answer Integration

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